81774534

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1596

約数の個数: 32

約数和(自身を含む): 167166720

約数和(自身を除く): 85392186

約数列:

[1, 2, 3, 6, 71, 139, 142, 213, 278, 417, 426, 834, 1381, 2762, 4143, 8286, 9869, 19738, 29607, 59214, 98051, 191959, 196102, 294153, 383918, 575877, 588306, 1151754, 13629089, 27258178, 40887267, 81774534]

約数ペア:

[(1, 81774534), (2, 40887267), (3, 27258178), (6, 13629089), (71, 1151754), (139, 588306), (142, 575877), (213, 383918), (278, 294153), (417, 196102), (426, 191959), (834, 98051), (1381, 59214), (2762, 29607), (4143, 19738), (8286, 9869)]