42438565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{28387}}^1$

素因数の和:28428

約数の個数: 16

約数和(自身を含む): 57230208

約数和(自身を除く): 14791643

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 28387, 141935, 369031, 652901, 1845155, 3264505, 8487713, 42438565]

約数ペア:

[(1, 42438565), (5, 8487713), (13, 3264505), (23, 1845155), (65, 652901), (115, 369031), (299, 141935), (1495, 28387)]