278889626

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{10729}}^1$

素因数の和:11089

約数の個数: 16

約数和(自身を含む): 429929640

約数和(自身を除く): 151040014

約数列:

[1, 2, 41, 82, 317, 634, 10729, 12997, 21458, 25994, 439889, 879778, 3401093, 6802186, 139444813, 278889626]

約数ペア:

[(1, 278889626), (2, 139444813), (41, 6802186), (82, 3401093), (317, 879778), (634, 439889), (10729, 25994), (12997, 21458)]