81868696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1051}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 190874880

約数和(自身を除く): 109006184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 107, 182, 214, 364, 428, 728, 749, 856, 1051, 1391, 1498, 2102, 2782, 2996, 4204, 5564, 5992, 7357, 8408, 9737, 11128, 13663, 14714, 19474, 27326, 29428, 38948, 54652, 58856, 77896, 95641, 109304, 112457, 191282, 224914, 382564, 449828, 765128, 787199, 899656, 1461941, 1574398, 2923882, 3148796, 5847764, 6297592, 10233587, 11695528, 20467174, 40934348, 81868696]

約数ペア:

[(1, 81868696), (2, 40934348), (4, 20467174), (7, 11695528), (8, 10233587), (13, 6297592), (14, 5847764), (26, 3148796), (28, 2923882), (52, 1574398), (56, 1461941), (91, 899656), (104, 787199), (107, 765128), (182, 449828), (214, 382564), (364, 224914), (428, 191282), (728, 112457), (749, 109304), (856, 95641), (1051, 77896), (1391, 58856), (1498, 54652), (2102, 38948), (2782, 29428), (2996, 27326), (4204, 19474), (5564, 14714), (5992, 13663), (7357, 11128), (8408, 9737)]