257269264

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{38933}}^1$

素因数の和:39007

約数の個数: 40

約数和(自身を含む): 579337920

約数和(自身を除く): 322068656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 6608, 38933, 77866, 155732, 272531, 311464, 545062, 622928, 1090124, 2180248, 2297047, 4360496, 4594094, 9188188, 16079329, 18376376, 32158658, 36752752, 64317316, 128634632, 257269264]

約数ペア:

[(1, 257269264), (2, 128634632), (4, 64317316), (7, 36752752), (8, 32158658), (14, 18376376), (16, 16079329), (28, 9188188), (56, 4594094), (59, 4360496), (112, 2297047), (118, 2180248), (236, 1090124), (413, 622928), (472, 545062), (826, 311464), (944, 272531), (1652, 155732), (3304, 77866), (6608, 38933)]