197814578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 325920000

約数和(自身を除く): 128105422

約数列:

[1, 2, 13, 26, 79, 158, 193, 386, 499, 998, 1027, 2054, 2509, 5018, 6487, 12974, 15247, 30494, 39421, 78842, 96307, 192614, 198211, 396422, 512473, 1024946, 1251991, 2503982, 7608253, 15216506, 98907289, 197814578]

約数ペア:

[(1, 197814578), (2, 98907289), (13, 15216506), (26, 7608253), (79, 2503982), (158, 1251991), (193, 1024946), (386, 512473), (499, 396422), (998, 198211), (1027, 192614), (2054, 96307), (2509, 78842), (5018, 39421), (6487, 30494), (12974, 15247)]