7856290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 15353856

約数和(自身を除く): 7497566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 271, 446, 542, 1115, 1355, 2230, 2710, 2899, 3523, 5798, 7046, 14495, 17615, 28990, 35230, 60433, 120866, 302165, 604330, 785629, 1571258, 3928145, 7856290]

約数ペア:

[(1, 7856290), (2, 3928145), (5, 1571258), (10, 785629), (13, 604330), (26, 302165), (65, 120866), (130, 60433), (223, 35230), (271, 28990), (446, 17615), (542, 14495), (1115, 7046), (1355, 5798), (2230, 3523), (2710, 2899)]