28704204

素因数分解:

$2^2\times 3^2\times {\mathrm{359}}^1\times {\mathrm{2221}}^1$

素因数の和:2590

約数の個数: 36

約数和(自身を含む): 72792720

約数和(自身を除く): 44088516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 359, 718, 1077, 1436, 2154, 2221, 3231, 4308, 4442, 6462, 6663, 8884, 12924, 13326, 19989, 26652, 39978, 79956, 797339, 1594678, 2392017, 3189356, 4784034, 7176051, 9568068, 14352102, 28704204]

約数ペア:

[(1, 28704204), (2, 14352102), (3, 9568068), (4, 7176051), (6, 4784034), (9, 3189356), (12, 2392017), (18, 1594678), (36, 797339), (359, 79956), (718, 39978), (1077, 26652), (1436, 19989), (2154, 13326), (2221, 12924), (3231, 8884), (4308, 6663), (4442, 6462)]