28839850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3413}}^1$

素因数の和:3451

約数の個数: 36

約数和(自身を含む): 58102866

約数和(自身を除く): 29263016

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3413, 4225, 6826, 8450, 17065, 34130, 44369, 85325, 88738, 170650, 221845, 443690, 576797, 1109225, 1153594, 2218450, 2883985, 5767970, 14419925, 28839850]

約数ペア:

[(1, 28839850), (2, 14419925), (5, 5767970), (10, 2883985), (13, 2218450), (25, 1153594), (26, 1109225), (50, 576797), (65, 443690), (130, 221845), (169, 170650), (325, 88738), (338, 85325), (650, 44369), (845, 34130), (1690, 17065), (3413, 8450), (4225, 6826)]