81572567

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 87964800

約数和(自身を除く): 6392233

約数列:

[1, 19, 67, 139, 461, 1273, 2641, 8759, 9313, 30887, 64079, 176947, 586853, 1217501, 4293293, 81572567]

約数ペア:

[(1, 81572567), (19, 4293293), (67, 1217501), (139, 586853), (461, 176947), (1273, 64079), (2641, 30887), (8759, 9313)]