81868748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{1913}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 154559328

約数和(自身を除く): 72690580

約数列:

[1, 2, 4, 13, 26, 52, 823, 1646, 1913, 3292, 3826, 7652, 10699, 21398, 24869, 42796, 49738, 99476, 1574399, 3148798, 6297596, 20467187, 40934374, 81868748]

約数ペア:

[(1, 81868748), (2, 40934374), (4, 20467187), (13, 6297596), (26, 3148798), (52, 1574399), (823, 99476), (1646, 49738), (1913, 42796), (3292, 24869), (3826, 21398), (7652, 10699)]