28218316

素因数分解:

$2^2\times 7^2\times {\mathrm{143971}}^1$

素因数の和:143989

約数の個数: 18

約数和(自身を含む): 57444828

約数和(自身を除く): 29226512

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 143971, 287942, 575884, 1007797, 2015594, 4031188, 7054579, 14109158, 28218316]

約数ペア:

[(1, 28218316), (2, 14109158), (4, 7054579), (7, 4031188), (14, 2015594), (28, 1007797), (49, 575884), (98, 287942), (196, 143971)]