1640391477

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1\times {\mathrm{6833}}^1$

素因数の和:8740

約数の個数: 16

約数和(自身を含む): 2239583808

約数和(自身を除く): 599192331

約数列:

[1, 3, 43, 129, 1861, 5583, 6833, 20499, 80023, 240069, 293819, 881457, 12716213, 38148639, 546797159, 1640391477]

約数ペア:

[(1, 1640391477), (3, 546797159), (43, 38148639), (129, 12716213), (1861, 881457), (5583, 293819), (6833, 240069), (20499, 80023)]