155731406

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1\times {\mathrm{2239}}^1$

素因数の和:2743

約数の個数: 16

約数和(自身を含む): 237081600

約数和(自身を除く): 81350194

約数列:

[1, 2, 83, 166, 419, 838, 2239, 4478, 34777, 69554, 185837, 371674, 938141, 1876282, 77865703, 155731406]

約数ペア:

[(1, 155731406), (2, 77865703), (83, 1876282), (166, 938141), (419, 371674), (838, 185837), (2239, 69554), (4478, 34777)]