218873255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 283772160

約数和(自身を除く): 64898905

約数列:

[1, 5, 19, 67, 95, 137, 251, 335, 685, 1255, 1273, 2603, 4769, 6365, 9179, 13015, 16817, 23845, 34387, 45895, 84085, 171935, 174401, 319523, 653353, 872005, 1597615, 2303929, 3266765, 11519645, 43774651, 218873255]

約数ペア:

[(1, 218873255), (5, 43774651), (19, 11519645), (67, 3266765), (95, 2303929), (137, 1597615), (251, 872005), (335, 653353), (685, 319523), (1255, 174401), (1273, 171935), (2603, 84085), (4769, 45895), (6365, 34387), (9179, 23845), (13015, 16817)]