85178704

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 90

約数和(自身を含む): 191577210

約数和(自身を除く): 106398506

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 109, 136, 169, 208, 218, 221, 272, 289, 338, 436, 442, 578, 676, 872, 884, 1156, 1352, 1417, 1744, 1768, 1853, 2312, 2704, 2834, 2873, 3536, 3706, 3757, 4624, 5668, 5746, 7412, 7514, 11336, 11492, 14824, 15028, 18421, 22672, 22984, 24089, 29648, 30056, 31501, 36842, 45968, 48178, 48841, 60112, 63002, 73684, 96356, 97682, 126004, 147368, 192712, 195364, 252008, 294736, 313157, 385424, 390728, 409513, 504016, 626314, 781456, 819026, 1252628, 1638052, 2505256, 3276104, 5010512, 5323669, 6552208, 10647338, 21294676, 42589352, 85178704]

約数ペア:

[(1, 85178704), (2, 42589352), (4, 21294676), (8, 10647338), (13, 6552208), (16, 5323669), (17, 5010512), (26, 3276104), (34, 2505256), (52, 1638052), (68, 1252628), (104, 819026), (109, 781456), (136, 626314), (169, 504016), (208, 409513), (218, 390728), (221, 385424), (272, 313157), (289, 294736), (338, 252008), (436, 195364), (442, 192712), (578, 147368), (676, 126004), (872, 97682), (884, 96356), (1156, 73684), (1352, 63002), (1417, 60112), (1744, 48841), (1768, 48178), (1853, 45968), (2312, 36842), (2704, 31501), (2834, 30056), (2873, 29648), (3536, 24089), (3706, 22984), (3757, 22672), (4624, 18421), (5668, 15028), (5746, 14824), (7412, 11492), (7514, 11336)]