31401318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402581}}^1$

素因数の和:402599

約数の個数: 16

約数和(自身を含む): 67633776

約数和(自身を除く): 36232458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 402581, 805162, 1207743, 2415486, 5233553, 10467106, 15700659, 31401318]

約数ペア:

[(1, 31401318), (2, 15700659), (3, 10467106), (6, 5233553), (13, 2415486), (26, 1207743), (39, 805162), (78, 402581)]