812016877

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 959055552

約数和(自身を除く): 147038675

約数列:

[1, 7, 49, 103, 251, 641, 721, 1757, 4487, 5047, 12299, 25853, 31409, 66023, 160891, 180971, 462161, 1126237, 1266797, 3235127, 7883659, 16571773, 116002411, 812016877]

約数ペア:

[(1, 812016877), (7, 116002411), (49, 16571773), (103, 7883659), (251, 3235127), (641, 1266797), (721, 1126237), (1757, 462161), (4487, 180971), (5047, 160891), (12299, 66023), (25853, 31409)]