218707937

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 262219776

約数和(自身を除く): 43511839

約数列:

[1, 7, 29, 97, 203, 383, 679, 841, 2681, 2813, 5887, 11107, 19691, 37151, 77749, 81577, 260057, 322103, 571039, 1077379, 2254721, 7541653, 31243991, 218707937]

約数ペア:

[(1, 218707937), (7, 31243991), (29, 7541653), (97, 2254721), (203, 1077379), (383, 571039), (679, 322103), (841, 260057), (2681, 81577), (2813, 77749), (5887, 37151), (11107, 19691)]