64276804

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 114168600

約数和(自身を除く): 49891796

約数列:

[1, 2, 4, 101, 202, 389, 404, 409, 778, 818, 1556, 1636, 39289, 41309, 78578, 82618, 157156, 159101, 165236, 318202, 636404, 16069201, 32138402, 64276804]

約数ペア:

[(1, 64276804), (2, 32138402), (4, 16069201), (101, 636404), (202, 318202), (389, 165236), (404, 159101), (409, 157156), (778, 82618), (818, 78578), (1556, 41309), (1636, 39289)]