278452344

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163411}}^1$

素因数の和:163491

約数の個数: 32

約数和(自身を含む): 705939840

約数和(自身を除く): 427487496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 163411, 326822, 490233, 653644, 980466, 1307288, 1960932, 3921864, 11602181, 23204362, 34806543, 46408724, 69613086, 92817448, 139226172, 278452344]

約数ペア:

[(1, 278452344), (2, 139226172), (3, 92817448), (4, 69613086), (6, 46408724), (8, 34806543), (12, 23204362), (24, 11602181), (71, 3921864), (142, 1960932), (213, 1307288), (284, 980466), (426, 653644), (568, 490233), (852, 326822), (1704, 163411)]