15691375399

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2963}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 19722313728

約数和(自身を除く): 4030938329

約数列:

[1, 7, 23, 37, 49, 127, 161, 259, 851, 889, 1127, 1813, 2921, 2963, 4699, 5957, 6223, 20447, 20741, 32893, 41699, 68149, 108077, 109631, 143129, 145187, 230251, 376301, 477043, 756539, 767417, 2521513, 2634107, 3339301, 5295773, 5371919, 8654923, 13923137, 17650591, 18438749, 60584461, 97461959, 123554137, 320232151, 424091227, 682233713, 2241625057, 15691375399]

約数ペア:

[(1, 15691375399), (7, 2241625057), (23, 682233713), (37, 424091227), (49, 320232151), (127, 123554137), (161, 97461959), (259, 60584461), (851, 18438749), (889, 17650591), (1127, 13923137), (1813, 8654923), (2921, 5371919), (2963, 5295773), (4699, 3339301), (5957, 2634107), (6223, 2521513), (20447, 767417), (20741, 756539), (32893, 477043), (41699, 376301), (68149, 230251), (108077, 145187), (109631, 143129)]