201971567

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 245087232

約数和(自身を除く): 43115665

約数列:

[1, 7, 37, 67, 103, 113, 259, 469, 721, 791, 2479, 3811, 4181, 6901, 7571, 11639, 17353, 26677, 29267, 48307, 52997, 81473, 255337, 280127, 430643, 779813, 1787359, 1960889, 3014501, 5458691, 28853081, 201971567]

約数ペア:

[(1, 201971567), (7, 28853081), (37, 5458691), (67, 3014501), (103, 1960889), (113, 1787359), (259, 779813), (469, 430643), (721, 280127), (791, 255337), (2479, 81473), (3811, 52997), (4181, 48307), (6901, 29267), (7571, 26677), (11639, 17353)]