81887988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 252887040

約数和(自身を除く): 170999052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 41, 42, 52, 59, 62, 78, 82, 84, 91, 93, 118, 123, 124, 156, 164, 177, 182, 186, 217, 236, 246, 273, 287, 354, 364, 372, 403, 413, 434, 492, 533, 546, 574, 651, 708, 767, 806, 826, 861, 868, 1066, 1092, 1148, 1209, 1239, 1271, 1302, 1534, 1599, 1612, 1652, 1722, 1829, 2132, 2301, 2418, 2419, 2478, 2542, 2604, 2821, 3068, 3198, 3444, 3658, 3731, 3813, 4602, 4836, 4838, 4956, 5084, 5369, 5487, 5642, 6396, 7257, 7316, 7462, 7626, 8463, 8897, 9204, 9676, 10738, 10974, 11193, 11284, 12803, 14514, 14924, 15252, 16107, 16523, 16926, 16933, 17794, 21476, 21948, 22386, 23777, 25606, 26691, 29028, 31447, 32214, 33046, 33852, 33866, 35588, 38409, 44772, 47554, 49569, 50799, 51212, 53382, 62894, 64428, 66092, 67732, 71331, 74989, 76818, 94341, 95108, 99138, 101598, 106764, 115661, 125788, 142662, 149978, 153636, 166439, 188682, 198276, 203196, 220129, 224967, 231322, 285324, 299956, 332878, 346983, 377364, 440258, 449934, 462644, 499317, 524923, 660387, 665756, 693966, 880516, 899868, 974857, 998634, 1049846, 1320774, 1387932, 1574769, 1949714, 1997268, 2099692, 2641548, 2924571, 3149538, 3899428, 5849142, 6299076, 6823999, 11698284, 13647998, 20471997, 27295996, 40943994, 81887988]

約数ペア:

[(1, 81887988), (2, 40943994), (3, 27295996), (4, 20471997), (6, 13647998), (7, 11698284), (12, 6823999), (13, 6299076), (14, 5849142), (21, 3899428), (26, 3149538), (28, 2924571), (31, 2641548), (39, 2099692), (41, 1997268), (42, 1949714), (52, 1574769), (59, 1387932), (62, 1320774), (78, 1049846), (82, 998634), (84, 974857), (91, 899868), (93, 880516), (118, 693966), (123, 665756), (124, 660387), (156, 524923), (164, 499317), (177, 462644), (182, 449934), (186, 440258), (217, 377364), (236, 346983), (246, 332878), (273, 299956), (287, 285324), (354, 231322), (364, 224967), (372, 220129), (403, 203196), (413, 198276), (434, 188682), (492, 166439), (533, 153636), (546, 149978), (574, 142662), (651, 125788), (708, 115661), (767, 106764), (806, 101598), (826, 99138), (861, 95108), (868, 94341), (1066, 76818), (1092, 74989), (1148, 71331), (1209, 67732), (1239, 66092), (1271, 64428), (1302, 62894), (1534, 53382), (1599, 51212), (1612, 50799), (1652, 49569), (1722, 47554), (1829, 44772), (2132, 38409), (2301, 35588), (2418, 33866), (2419, 33852), (2478, 33046), (2542, 32214), (2604, 31447), (2821, 29028), (3068, 26691), (3198, 25606), (3444, 23777), (3658, 22386), (3731, 21948), (3813, 21476), (4602, 17794), (4836, 16933), (4838, 16926), (4956, 16523), (5084, 16107), (5369, 15252), (5487, 14924), (5642, 14514), (6396, 12803), (7257, 11284), (7316, 11193), (7462, 10974), (7626, 10738), (8463, 9676), (8897, 9204)]