40668658

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 24

約数和(自身を含む): 65781504

約数和(自身を除く): 25112846

約数列:

[1, 2, 17, 34, 71, 142, 289, 578, 991, 1207, 1982, 2414, 16847, 20519, 33694, 41038, 70361, 140722, 286399, 572798, 1196137, 2392274, 20334329, 40668658]

約数ペア:

[(1, 40668658), (2, 20334329), (17, 2392274), (34, 1196137), (71, 572798), (142, 286399), (289, 140722), (578, 70361), (991, 41038), (1207, 33694), (1982, 20519), (2414, 16847)]