261293386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{131}}^2\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 413371872

約数和(自身を除く): 152078486

約数列:

[1, 2, 23, 46, 131, 262, 331, 662, 3013, 6026, 7613, 15226, 17161, 34322, 43361, 86722, 394703, 789406, 997303, 1994606, 5680291, 11360582, 130646693, 261293386]

約数ペア:

[(1, 261293386), (2, 130646693), (23, 11360582), (46, 5680291), (131, 1994606), (262, 997303), (331, 789406), (662, 394703), (3013, 86722), (6026, 43361), (7613, 34322), (15226, 17161)]