199956063

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 280051200

約数和(自身を除く): 80095137

約数列:

[1, 3, 43, 101, 103, 129, 149, 303, 309, 447, 4343, 4429, 6407, 10403, 13029, 13287, 15049, 15347, 19221, 31209, 45147, 46041, 447329, 647107, 659921, 1341987, 1550047, 1941321, 1979763, 4650141, 66652021, 199956063]

約数ペア:

[(1, 199956063), (3, 66652021), (43, 4650141), (101, 1979763), (103, 1941321), (129, 1550047), (149, 1341987), (303, 659921), (309, 647107), (447, 447329), (4343, 46041), (4429, 45147), (6407, 31209), (10403, 19221), (13029, 15347), (13287, 15049)]