40894418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 67163904

約数和(自身を除く): 26269486

約数列:

[1, 2, 17, 34, 47, 94, 157, 163, 314, 326, 799, 1598, 2669, 2771, 5338, 5542, 7379, 7661, 14758, 15322, 25591, 51182, 125443, 130237, 250886, 260474, 435047, 870094, 1202777, 2405554, 20447209, 40894418]

約数ペア:

[(1, 40894418), (2, 20447209), (17, 2405554), (34, 1202777), (47, 870094), (94, 435047), (157, 260474), (163, 250886), (314, 130237), (326, 125443), (799, 51182), (1598, 25591), (2669, 15322), (2771, 14758), (5338, 7661), (5542, 7379)]