257731144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{9239}}^1$

素因数の和:9573

約数の個数: 32

約数和(自身を含む): 528897600

約数和(自身を除く): 271166456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 1268, 2536, 3487, 6974, 9239, 13948, 18478, 27896, 36956, 73912, 101629, 203258, 406516, 813032, 2928763, 5857526, 11715052, 23430104, 32216393, 64432786, 128865572, 257731144]

約数ペア:

[(1, 257731144), (2, 128865572), (4, 64432786), (8, 32216393), (11, 23430104), (22, 11715052), (44, 5857526), (88, 2928763), (317, 813032), (634, 406516), (1268, 203258), (2536, 101629), (3487, 73912), (6974, 36956), (9239, 27896), (13948, 18478)]