215465906

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 339026688

約数和(自身を除く): 123560782

約数列:

[1, 2, 41, 82, 97, 103, 194, 206, 263, 526, 3977, 4223, 7954, 8446, 9991, 10783, 19982, 21566, 25511, 27089, 51022, 54178, 409631, 819262, 1045951, 1110649, 2091902, 2221298, 2627633, 5255266, 107732953, 215465906]

約数ペア:

[(1, 215465906), (2, 107732953), (41, 5255266), (82, 2627633), (97, 2221298), (103, 2091902), (194, 1110649), (206, 1045951), (263, 819262), (526, 409631), (3977, 54178), (4223, 51022), (7954, 27089), (8446, 25511), (9991, 21566), (10783, 19982)]