78858988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2411}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 161681184

約数和(自身を除く): 82822196

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 629, 884, 962, 1258, 1924, 2411, 2516, 4822, 8177, 9644, 16354, 31343, 32708, 40987, 62686, 81974, 89207, 125372, 163948, 178414, 356828, 532831, 1065662, 1159691, 1516519, 2131324, 2319382, 3033038, 4638764, 6066076, 19714747, 39429494, 78858988]

約数ペア:

[(1, 78858988), (2, 39429494), (4, 19714747), (13, 6066076), (17, 4638764), (26, 3033038), (34, 2319382), (37, 2131324), (52, 1516519), (68, 1159691), (74, 1065662), (148, 532831), (221, 356828), (442, 178414), (481, 163948), (629, 125372), (884, 89207), (962, 81974), (1258, 62686), (1924, 40987), (2411, 32708), (2516, 31343), (4822, 16354), (8177, 9644)]