31215434

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 51290496

約数和(自身を除く): 20075062

約数列:

[1, 2, 17, 34, 67, 71, 134, 142, 193, 386, 1139, 1207, 2278, 2414, 3281, 4757, 6562, 9514, 12931, 13703, 25862, 27406, 80869, 161738, 219827, 232951, 439654, 465902, 918101, 1836202, 15607717, 31215434]

約数ペア:

[(1, 31215434), (2, 15607717), (17, 1836202), (34, 918101), (67, 465902), (71, 439654), (134, 232951), (142, 219827), (193, 161738), (386, 80869), (1139, 27406), (1207, 25862), (2278, 13703), (2414, 12931), (3281, 9514), (4757, 6562)]