72528788

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1031}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 130320960

約数和(自身を除く): 57792172

約数列:

[1, 2, 4, 43, 86, 172, 409, 818, 1031, 1636, 2062, 4124, 17587, 35174, 44333, 70348, 88666, 177332, 421679, 843358, 1686716, 18132197, 36264394, 72528788]

約数ペア:

[(1, 72528788), (2, 36264394), (4, 18132197), (43, 1686716), (86, 843358), (172, 421679), (409, 177332), (818, 88666), (1031, 70348), (1636, 44333), (2062, 35174), (4124, 17587)]