64637976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 185149440

約数和(自身を除く): 120511464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 41, 52, 62, 78, 82, 93, 104, 123, 124, 156, 163, 164, 186, 246, 248, 312, 326, 328, 372, 403, 489, 492, 533, 652, 744, 806, 978, 984, 1066, 1209, 1271, 1304, 1599, 1612, 1956, 2119, 2132, 2418, 2542, 3198, 3224, 3813, 3912, 4238, 4264, 4836, 5053, 5084, 6357, 6396, 6683, 7626, 8476, 9672, 10106, 10168, 12714, 12792, 13366, 15159, 15252, 16523, 16952, 20049, 20212, 25428, 26732, 30318, 30504, 33046, 40098, 40424, 49569, 50856, 53464, 60636, 65689, 66092, 80196, 86879, 99138, 121272, 131378, 132184, 160392, 173758, 197067, 198276, 207173, 260637, 262756, 347516, 394134, 396552, 414346, 521274, 525512, 621519, 695032, 788268, 828692, 1042548, 1243038, 1576536, 1657384, 2085096, 2486076, 2693249, 4972152, 5386498, 8079747, 10772996, 16159494, 21545992, 32318988, 64637976]

約数ペア:

[(1, 64637976), (2, 32318988), (3, 21545992), (4, 16159494), (6, 10772996), (8, 8079747), (12, 5386498), (13, 4972152), (24, 2693249), (26, 2486076), (31, 2085096), (39, 1657384), (41, 1576536), (52, 1243038), (62, 1042548), (78, 828692), (82, 788268), (93, 695032), (104, 621519), (123, 525512), (124, 521274), (156, 414346), (163, 396552), (164, 394134), (186, 347516), (246, 262756), (248, 260637), (312, 207173), (326, 198276), (328, 197067), (372, 173758), (403, 160392), (489, 132184), (492, 131378), (533, 121272), (652, 99138), (744, 86879), (806, 80196), (978, 66092), (984, 65689), (1066, 60636), (1209, 53464), (1271, 50856), (1304, 49569), (1599, 40424), (1612, 40098), (1956, 33046), (2119, 30504), (2132, 30318), (2418, 26732), (2542, 25428), (3198, 20212), (3224, 20049), (3813, 16952), (3912, 16523), (4238, 15252), (4264, 15159), (4836, 13366), (5053, 12792), (5084, 12714), (6357, 10168), (6396, 10106), (6683, 9672), (7626, 8476)]