64619152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 144365760

約数和(自身を除く): 79746608

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 83, 104, 152, 166, 197, 208, 247, 304, 332, 394, 494, 664, 788, 988, 1079, 1328, 1576, 1577, 1976, 2158, 2561, 3152, 3154, 3743, 3952, 4316, 5122, 6308, 7486, 8632, 10244, 12616, 14972, 16351, 17264, 20488, 20501, 25232, 29944, 32702, 40976, 41002, 48659, 59888, 65404, 82004, 97318, 130808, 164008, 194636, 212563, 261616, 310669, 328016, 389272, 425126, 621338, 778544, 850252, 1242676, 1700504, 2485352, 3401008, 4038697, 4970704, 8077394, 16154788, 32309576, 64619152]

約数ペア:

[(1, 64619152), (2, 32309576), (4, 16154788), (8, 8077394), (13, 4970704), (16, 4038697), (19, 3401008), (26, 2485352), (38, 1700504), (52, 1242676), (76, 850252), (83, 778544), (104, 621338), (152, 425126), (166, 389272), (197, 328016), (208, 310669), (247, 261616), (304, 212563), (332, 194636), (394, 164008), (494, 130808), (664, 97318), (788, 82004), (988, 65404), (1079, 59888), (1328, 48659), (1576, 41002), (1577, 40976), (1976, 32702), (2158, 29944), (2561, 25232), (3152, 20501), (3154, 20488), (3743, 17264), (3952, 16351), (4316, 14972), (5122, 12616), (6308, 10244), (7486, 8632)]