28721972

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 52074792

約数和(自身を除く): 23352820

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 2221, 3233, 4442, 6466, 8884, 12932, 117713, 135481, 235426, 270962, 470852, 541924, 7180493, 14360986, 28721972]

約数ペア:

[(1, 28721972), (2, 14360986), (4, 7180493), (53, 541924), (61, 470852), (106, 270962), (122, 235426), (212, 135481), (244, 117713), (2221, 12932), (3233, 8884), (4442, 6466)]