2180788

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 4040960

約数和(自身を除く): 1860172

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 409, 818, 1333, 1636, 2666, 5332, 12679, 17587, 25358, 35174, 50716, 70348, 545197, 1090394, 2180788]

約数ペア:

[(1, 2180788), (2, 1090394), (4, 545197), (31, 70348), (43, 50716), (62, 35174), (86, 25358), (124, 17587), (172, 12679), (409, 5332), (818, 2666), (1333, 1636)]