28729337

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 9574663

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 379, 637, 833, 1547, 2653, 4459, 4927, 5831, 6443, 10829, 18571, 34489, 45101, 75803, 83759, 129997, 241423, 315707, 586313, 1689961, 2209949, 4104191, 28729337]

約数ペア:

[(1, 28729337), (7, 4104191), (13, 2209949), (17, 1689961), (49, 586313), (91, 315707), (119, 241423), (221, 129997), (343, 83759), (379, 75803), (637, 45101), (833, 34489), (1547, 18571), (2653, 10829), (4459, 6443), (4927, 5831)]