71623643

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 90301680

約数和(自身を除く): 18678037

約数列:

[1, 7, 13, 49, 91, 229, 491, 637, 1603, 2977, 3437, 6383, 11221, 20839, 24059, 44681, 112439, 145873, 312767, 787073, 1461707, 5509511, 10231949, 71623643]

約数ペア:

[(1, 71623643), (7, 10231949), (13, 5509511), (49, 1461707), (91, 787073), (229, 312767), (491, 145873), (637, 112439), (1603, 44681), (2977, 24059), (3437, 20839), (6383, 11221)]