81652870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36947}}^1$

素因数の和:36984

約数の個数: 32

約数和(自身を含む): 167596128

約数和(自身を除く): 85943258

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 36947, 73894, 184735, 369470, 480311, 628099, 960622, 1256198, 2401555, 3140495, 4803110, 6280990, 8165287, 16330574, 40826435, 81652870]

約数ペア:

[(1, 81652870), (2, 40826435), (5, 16330574), (10, 8165287), (13, 6280990), (17, 4803110), (26, 3140495), (34, 2401555), (65, 1256198), (85, 960622), (130, 628099), (170, 480311), (221, 369470), (442, 184735), (1105, 73894), (2210, 36947)]