78703506

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 218476440

約数和(自身を除く): 139772934

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 29, 34, 42, 49, 51, 58, 63, 87, 98, 102, 119, 126, 147, 153, 174, 181, 203, 238, 261, 294, 306, 357, 362, 406, 441, 493, 522, 543, 609, 714, 833, 882, 986, 1071, 1086, 1218, 1267, 1421, 1479, 1629, 1666, 1827, 2142, 2499, 2534, 2842, 2958, 3077, 3258, 3451, 3654, 3801, 4263, 4437, 4998, 5249, 6154, 6902, 7497, 7602, 8526, 8869, 8874, 9231, 10353, 10498, 11403, 12789, 14994, 15747, 17738, 18462, 20706, 21539, 22806, 24157, 25578, 26607, 27693, 31059, 31494, 36743, 43078, 47241, 48314, 53214, 55386, 62118, 64617, 72471, 73486, 79821, 89233, 94482, 110229, 129234, 144942, 150773, 159642, 178466, 193851, 217413, 220458, 257201, 267699, 301546, 330687, 387702, 434826, 452319, 514402, 535398, 624631, 661374, 771603, 803097, 904638, 1249262, 1356957, 1543206, 1606194, 1873893, 2314809, 2713914, 3747786, 4372417, 4629618, 5621679, 8744834, 11243358, 13117251, 26234502, 39351753, 78703506]

約数ペア:

[(1, 78703506), (2, 39351753), (3, 26234502), (6, 13117251), (7, 11243358), (9, 8744834), (14, 5621679), (17, 4629618), (18, 4372417), (21, 3747786), (29, 2713914), (34, 2314809), (42, 1873893), (49, 1606194), (51, 1543206), (58, 1356957), (63, 1249262), (87, 904638), (98, 803097), (102, 771603), (119, 661374), (126, 624631), (147, 535398), (153, 514402), (174, 452319), (181, 434826), (203, 387702), (238, 330687), (261, 301546), (294, 267699), (306, 257201), (357, 220458), (362, 217413), (406, 193851), (441, 178466), (493, 159642), (522, 150773), (543, 144942), (609, 129234), (714, 110229), (833, 94482), (882, 89233), (986, 79821), (1071, 73486), (1086, 72471), (1218, 64617), (1267, 62118), (1421, 55386), (1479, 53214), (1629, 48314), (1666, 47241), (1827, 43078), (2142, 36743), (2499, 31494), (2534, 31059), (2842, 27693), (2958, 26607), (3077, 25578), (3258, 24157), (3451, 22806), (3654, 21539), (3801, 20706), (4263, 18462), (4437, 17738), (4998, 15747), (5249, 14994), (6154, 12789), (6902, 11403), (7497, 10498), (7602, 10353), (8526, 9231), (8869, 8874)]