257608232

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1229}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 584496000

約数和(自身を除く): 326887768

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 197, 266, 394, 532, 788, 1064, 1229, 1379, 1576, 2458, 2758, 3743, 4916, 5516, 7486, 8603, 9832, 11032, 14972, 17206, 23351, 26201, 29944, 34412, 46702, 52402, 68824, 93404, 104804, 163457, 186808, 209608, 242113, 326914, 484226, 653828, 968452, 1307656, 1694791, 1936904, 3389582, 4600147, 6779164, 9200294, 13558328, 18400588, 32201029, 36801176, 64402058, 128804116, 257608232]

約数ペア:

[(1, 257608232), (2, 128804116), (4, 64402058), (7, 36801176), (8, 32201029), (14, 18400588), (19, 13558328), (28, 9200294), (38, 6779164), (56, 4600147), (76, 3389582), (133, 1936904), (152, 1694791), (197, 1307656), (266, 968452), (394, 653828), (532, 484226), (788, 326914), (1064, 242113), (1229, 209608), (1379, 186808), (1576, 163457), (2458, 104804), (2758, 93404), (3743, 68824), (4916, 52402), (5516, 46702), (7486, 34412), (8603, 29944), (9832, 26201), (11032, 23351), (14972, 17206)]