56640688

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{20947}}^1$

素因数の和:20981

約数の個数: 30

約数和(自身を含む): 118838004

約数和(自身を除く): 62197316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 20947, 41894, 83788, 167576, 272311, 335152, 544622, 1089244, 2178488, 3540043, 4356976, 7080086, 14160172, 28320344, 56640688]

約数ペア:

[(1, 56640688), (2, 28320344), (4, 14160172), (8, 7080086), (13, 4356976), (16, 3540043), (26, 2178488), (52, 1089244), (104, 544622), (169, 335152), (208, 272311), (338, 167576), (676, 83788), (1352, 41894), (2704, 20947)]