66837784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2689}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 135576000

約数和(自身を除く): 68738216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 2689, 3107, 5378, 6214, 10756, 12428, 21512, 24856, 34957, 69914, 139828, 279656, 642671, 1285342, 2570684, 5141368, 8354723, 16709446, 33418892, 66837784]

約数ペア:

[(1, 66837784), (2, 33418892), (4, 16709446), (8, 8354723), (13, 5141368), (26, 2570684), (52, 1285342), (104, 642671), (239, 279656), (478, 139828), (956, 69914), (1912, 34957), (2689, 24856), (3107, 21512), (5378, 12428), (6214, 10756)]