42640474

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{941}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 64884960

約数和(自身を除く): 22244486

約数列:

[1, 2, 139, 163, 278, 326, 941, 1882, 22657, 45314, 130799, 153383, 261598, 306766, 21320237, 42640474]

約数ペア:

[(1, 42640474), (2, 21320237), (139, 306766), (163, 261598), (278, 153383), (326, 130799), (941, 45314), (1882, 22657)]