90338872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20201}}^1$

素因数の和:20263

約数の個数: 32

約数和(自身を含む): 186666480

約数和(自身を除く): 96327608

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 20201, 40402, 80804, 161608, 262613, 525226, 868643, 1050452, 1737286, 2100904, 3474572, 6949144, 11292359, 22584718, 45169436, 90338872]

約数ペア:

[(1, 90338872), (2, 45169436), (4, 22584718), (8, 11292359), (13, 6949144), (26, 3474572), (43, 2100904), (52, 1737286), (86, 1050452), (104, 868643), (172, 525226), (344, 262613), (559, 161608), (1118, 80804), (2236, 40402), (4472, 20201)]