247049294512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{812662153}}^1$

素因数の和:812662180

約数の個数: 20

約数和(自身を含む): 503850535480

約数和(自身を除く): 256801240968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 812662153, 1625324306, 3250648612, 6501297224, 13002594448, 15440580907, 30881161814, 61762323628, 123524647256, 247049294512]

約数ペア:

[(1, 247049294512), (2, 123524647256), (4, 61762323628), (8, 30881161814), (16, 15440580907), (19, 13002594448), (38, 6501297224), (76, 3250648612), (152, 1625324306), (304, 812662153)]