87089470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 180605376

約数和(自身を除く): 93515906

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 157, 170, 221, 251, 314, 442, 502, 785, 1105, 1255, 1570, 2041, 2210, 2510, 2669, 3263, 4082, 4267, 5338, 6526, 8534, 10205, 13345, 16315, 20410, 21335, 26690, 32630, 34697, 39407, 42670, 55471, 69394, 78814, 110942, 173485, 197035, 277355, 346970, 394070, 512291, 554710, 669919, 1024582, 1339838, 2561455, 3349595, 5122910, 6699190, 8708947, 17417894, 43544735, 87089470]

約数ペア:

[(1, 87089470), (2, 43544735), (5, 17417894), (10, 8708947), (13, 6699190), (17, 5122910), (26, 3349595), (34, 2561455), (65, 1339838), (85, 1024582), (130, 669919), (157, 554710), (170, 512291), (221, 394070), (251, 346970), (314, 277355), (442, 197035), (502, 173485), (785, 110942), (1105, 78814), (1255, 69394), (1570, 55471), (2041, 42670), (2210, 39407), (2510, 34697), (2669, 32630), (3263, 26690), (4082, 21335), (4267, 20410), (5338, 16315), (6526, 13345), (8534, 10205)]