68491555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 99025920

約数和(自身を除く): 30534365

約数列:

[1, 5, 11, 17, 31, 55, 85, 139, 155, 187, 289, 341, 527, 695, 935, 1445, 1529, 1705, 2363, 2635, 3179, 4309, 5797, 7645, 8959, 11815, 15895, 21545, 25993, 28985, 40171, 44795, 47399, 73253, 98549, 129965, 200855, 236995, 366265, 441881, 492745, 805783, 1245301, 2209405, 4028915, 6226505, 13698311, 68491555]

約数ペア:

[(1, 68491555), (5, 13698311), (11, 6226505), (17, 4028915), (31, 2209405), (55, 1245301), (85, 805783), (139, 492745), (155, 441881), (187, 366265), (289, 236995), (341, 200855), (527, 129965), (695, 98549), (935, 73253), (1445, 47399), (1529, 44795), (1705, 40171), (2363, 28985), (2635, 25993), (3179, 21545), (4309, 15895), (5797, 11815), (7645, 8959)]