128173812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2843}}^1$

素因数の和:2897

約数の個数: 72

約数和(自身を含む): 342258336

約数和(自身を除く): 214084524

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 442, 578, 663, 867, 884, 1156, 1326, 1734, 2652, 2843, 3468, 3757, 5686, 7514, 8529, 11271, 11372, 15028, 17058, 22542, 34116, 36959, 45084, 48331, 73918, 96662, 110877, 144993, 147836, 193324, 221754, 289986, 443508, 579972, 628303, 821627, 1256606, 1643254, 1884909, 2464881, 2513212, 3286508, 3769818, 4929762, 7539636, 9859524, 10681151, 21362302, 32043453, 42724604, 64086906, 128173812]

約数ペア:

[(1, 128173812), (2, 64086906), (3, 42724604), (4, 32043453), (6, 21362302), (12, 10681151), (13, 9859524), (17, 7539636), (26, 4929762), (34, 3769818), (39, 3286508), (51, 2513212), (52, 2464881), (68, 1884909), (78, 1643254), (102, 1256606), (156, 821627), (204, 628303), (221, 579972), (289, 443508), (442, 289986), (578, 221754), (663, 193324), (867, 147836), (884, 144993), (1156, 110877), (1326, 96662), (1734, 73918), (2652, 48331), (2843, 45084), (3468, 36959), (3757, 34116), (5686, 22542), (7514, 17058), (8529, 15028), (11271, 11372)]