28182028

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 30362612

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 172, 178, 263, 301, 356, 526, 602, 623, 1052, 1204, 1246, 1841, 2492, 3682, 3827, 7364, 7654, 11309, 15308, 22618, 23407, 26789, 45236, 46814, 53578, 79163, 93628, 107156, 158326, 163849, 316652, 327698, 655396, 1006501, 2013002, 4026004, 7045507, 14091014, 28182028]

約数ペア:

[(1, 28182028), (2, 14091014), (4, 7045507), (7, 4026004), (14, 2013002), (28, 1006501), (43, 655396), (86, 327698), (89, 316652), (172, 163849), (178, 158326), (263, 107156), (301, 93628), (356, 79163), (526, 53578), (602, 46814), (623, 45236), (1052, 26789), (1204, 23407), (1246, 22618), (1841, 15308), (2492, 11309), (3682, 7654), (3827, 7364)]