256215973

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{6841}}^1$

素因数の和:6964

約数の個数: 16

約数和(自身を含む): 286597696

約数和(自身を除く): 30381723

約数列:

[1, 13, 43, 67, 559, 871, 2881, 6841, 37453, 88933, 294163, 458347, 3824119, 5958511, 19708921, 256215973]

約数ペア:

[(1, 256215973), (13, 19708921), (43, 5958511), (67, 3824119), (559, 458347), (871, 294163), (2881, 88933), (6841, 37453)]