257451502

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3457

約数の個数: 64

約数和(自身を含む): 527523840

約数和(自身を除く): 270072338

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 58, 77, 119, 154, 187, 203, 238, 319, 374, 406, 493, 638, 986, 1309, 2233, 2618, 3391, 3451, 4466, 5423, 6782, 6902, 10846, 23737, 37301, 37961, 47474, 57647, 74602, 75922, 98339, 115294, 196678, 261107, 403529, 522214, 634117, 688373, 807058, 1081729, 1268234, 1376746, 1671763, 2163458, 3343526, 4438819, 7572103, 8877638, 11702341, 15144206, 18389393, 23404682, 36778786, 128725751, 257451502]

約数ペア:

[(1, 257451502), (2, 128725751), (7, 36778786), (11, 23404682), (14, 18389393), (17, 15144206), (22, 11702341), (29, 8877638), (34, 7572103), (58, 4438819), (77, 3343526), (119, 2163458), (154, 1671763), (187, 1376746), (203, 1268234), (238, 1081729), (319, 807058), (374, 688373), (406, 634117), (493, 522214), (638, 403529), (986, 261107), (1309, 196678), (2233, 115294), (2618, 98339), (3391, 75922), (3451, 74602), (4466, 57647), (5423, 47474), (6782, 37961), (6902, 37301), (10846, 23737)]