289498532

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 541685760

約数和(自身を除く): 252187228

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 127, 172, 254, 457, 508, 914, 1247, 1828, 2494, 3683, 4988, 5461, 7366, 10922, 13253, 14732, 19651, 21844, 26506, 39302, 53012, 58039, 78604, 116078, 158369, 232156, 316738, 569879, 633476, 1139758, 1683131, 2279516, 2495677, 3366262, 4991354, 6732524, 9982708, 72374633, 144749266, 289498532]

約数ペア:

[(1, 289498532), (2, 144749266), (4, 72374633), (29, 9982708), (43, 6732524), (58, 4991354), (86, 3366262), (116, 2495677), (127, 2279516), (172, 1683131), (254, 1139758), (457, 633476), (508, 569879), (914, 316738), (1247, 232156), (1828, 158369), (2494, 116078), (3683, 78604), (4988, 58039), (5461, 53012), (7366, 39302), (10922, 26506), (13253, 21844), (14732, 19651)]