278242484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{172607}}^1$

素因数の和:172655

約数の個数: 24

約数和(自身を含む): 541298688

約数和(自身を除く): 263056204

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 172607, 345214, 690428, 2243891, 4487782, 5350817, 8975564, 10701634, 21403268, 69560621, 139121242, 278242484]

約数ペア:

[(1, 278242484), (2, 139121242), (4, 69560621), (13, 21403268), (26, 10701634), (31, 8975564), (52, 5350817), (62, 4487782), (124, 2243891), (403, 690428), (806, 345214), (1612, 172607)]