681036746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1\times {\mathrm{787}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 1117585728

約数和(自身を除く): 436548982

約数列:

[1, 2, 13, 26, 83, 166, 401, 787, 802, 1079, 1574, 2158, 5213, 10231, 10426, 20462, 33283, 65321, 66566, 130642, 315587, 432679, 631174, 849173, 865358, 1698346, 4102631, 8205262, 26193721, 52387442, 340518373, 681036746]

約数ペア:

[(1, 681036746), (2, 340518373), (13, 52387442), (26, 26193721), (83, 8205262), (166, 4102631), (401, 1698346), (787, 865358), (802, 849173), (1079, 631174), (1574, 432679), (2158, 315587), (5213, 130642), (10231, 66566), (10426, 65321), (20462, 33283)]