129403990

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{41609}}^1$

素因数の和:41927

約数の個数: 16

約数和(自身を含む): 233681760

約数和(自身を除く): 104277770

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 41609, 83218, 208045, 416090, 12940399, 25880798, 64701995, 129403990]

約数ペア:

[(1, 129403990), (2, 64701995), (5, 25880798), (10, 12940399), (311, 416090), (622, 208045), (1555, 83218), (3110, 41609)]