28218204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111977}}^1$

素因数の和:111994

約数の個数: 36

約数和(自身を含む): 81519984

約数和(自身を除く): 53301780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111977, 223954, 335931, 447908, 671862, 783839, 1007793, 1343724, 1567678, 2015586, 2351517, 3135356, 4031172, 4703034, 7054551, 9406068, 14109102, 28218204]

約数ペア:

[(1, 28218204), (2, 14109102), (3, 9406068), (4, 7054551), (6, 4703034), (7, 4031172), (9, 3135356), (12, 2351517), (14, 2015586), (18, 1567678), (21, 1343724), (28, 1007793), (36, 783839), (42, 671862), (63, 447908), (84, 335931), (126, 223954), (252, 111977)]