257418416

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1157

約数の個数: 40

約数和(自身を含む): 509230800

約数和(自身を除く): 251812384

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 389, 472, 701, 778, 944, 1402, 1556, 2804, 3112, 5608, 6224, 11216, 22951, 41359, 45902, 82718, 91804, 165436, 183608, 272689, 330872, 367216, 545378, 661744, 1090756, 2181512, 4363024, 16088651, 32177302, 64354604, 128709208, 257418416]

約数ペア:

[(1, 257418416), (2, 128709208), (4, 64354604), (8, 32177302), (16, 16088651), (59, 4363024), (118, 2181512), (236, 1090756), (389, 661744), (472, 545378), (701, 367216), (778, 330872), (944, 272689), (1402, 183608), (1556, 165436), (2804, 91804), (3112, 82718), (5608, 45902), (6224, 41359), (11216, 22951)]