77879090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{189949}}^1$

素因数の和:189997

約数の個数: 16

約数和(自身を含む): 143602200

約数和(自身を除く): 65723110

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 189949, 379898, 949745, 1899490, 7787909, 15575818, 38939545, 77879090]

約数ペア:

[(1, 77879090), (2, 38939545), (5, 15575818), (10, 7787909), (41, 1899490), (82, 949745), (205, 379898), (410, 189949)]