11902891

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 17160192

約数和(自身を除く): 5257301

約数列:

[1, 7, 11, 13, 23, 47, 77, 91, 121, 143, 161, 253, 299, 329, 517, 611, 847, 1001, 1081, 1573, 1771, 2093, 2783, 3289, 3619, 4277, 5687, 6721, 7567, 11011, 11891, 14053, 19481, 23023, 36179, 39809, 47047, 73931, 83237, 98371, 130801, 154583, 253253, 517517, 915607, 1082081, 1700413, 11902891]

約数ペア:

[(1, 11902891), (7, 1700413), (11, 1082081), (13, 915607), (23, 517517), (47, 253253), (77, 154583), (91, 130801), (121, 98371), (143, 83237), (161, 73931), (253, 47047), (299, 39809), (329, 36179), (517, 23023), (611, 19481), (847, 14053), (1001, 11891), (1081, 11011), (1573, 7567), (1771, 6721), (2093, 5687), (2783, 4277), (3289, 3619)]