278889008

素因数分解:

$2^4\times {\mathrm{3491}}^1\times {\mathrm{4993}}^1$

素因数の和:8492

約数の個数: 20

約数和(自身を含む): 540610488

約数和(自身を除く): 261721480

約数列:

[1, 2, 4, 8, 16, 3491, 4993, 6982, 9986, 13964, 19972, 27928, 39944, 55856, 79888, 17430563, 34861126, 69722252, 139444504, 278889008]

約数ペア:

[(1, 278889008), (2, 139444504), (4, 69722252), (8, 34861126), (16, 17430563), (3491, 79888), (4993, 55856), (6982, 39944), (9986, 27928), (13964, 19972)]