12881804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 24423168

約数和(自身を除く): 11541364

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 1297, 2483, 2594, 4966, 5188, 9932, 16861, 33722, 67444, 247727, 495454, 990908, 3220451, 6440902, 12881804]

約数ペア:

[(1, 12881804), (2, 6440902), (4, 3220451), (13, 990908), (26, 495454), (52, 247727), (191, 67444), (382, 33722), (764, 16861), (1297, 9932), (2483, 5188), (2594, 4966)]