278399974

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{53069}}^1$

素因数の和:53175

約数の個数: 16

約数和(自身を含む): 434324880

約数和(自身を除く): 155924906

約数列:

[1, 2, 43, 61, 86, 122, 2623, 5246, 53069, 106138, 2281967, 3237209, 4563934, 6474418, 139199987, 278399974]

約数ペア:

[(1, 278399974), (2, 139199987), (43, 6474418), (61, 4563934), (86, 3237209), (122, 2281967), (2623, 106138), (5246, 53069)]