40891409

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 48118752

約数和(自身を除く): 7227343

約数列:

[1, 13, 17, 43, 169, 221, 331, 559, 731, 2873, 4303, 5627, 7267, 9503, 14233, 55939, 73151, 123539, 185029, 241961, 950963, 2405377, 3145493, 40891409]

約数ペア:

[(1, 40891409), (13, 3145493), (17, 2405377), (43, 950963), (169, 241961), (221, 185029), (331, 123539), (559, 73151), (731, 55939), (2873, 14233), (4303, 9503), (5627, 7267)]