257804586

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{367243}}^1$

素因数の和:367267

約数の個数: 32

約数和(自身を含む): 616969920

約数和(自身を除く): 359165334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 367243, 734486, 1101729, 2203458, 3305187, 4774159, 6610374, 9548318, 9915561, 14322477, 19831122, 28644954, 42967431, 85934862, 128902293, 257804586]

約数ペア:

[(1, 257804586), (2, 128902293), (3, 85934862), (6, 42967431), (9, 28644954), (13, 19831122), (18, 14322477), (26, 9915561), (27, 9548318), (39, 6610374), (54, 4774159), (78, 3305187), (117, 2203458), (234, 1101729), (351, 734486), (702, 367243)]