181493785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 252720000

約数和(自身を除く): 71226215

約数列:

[1, 5, 11, 17, 55, 85, 187, 389, 499, 935, 1945, 2495, 4279, 5489, 6613, 8483, 21395, 27445, 33065, 42415, 72743, 93313, 194111, 363715, 466565, 970555, 2135221, 3299887, 10676105, 16499435, 36298757, 181493785]

約数ペア:

[(1, 181493785), (5, 36298757), (11, 16499435), (17, 10676105), (55, 3299887), (85, 2135221), (187, 970555), (389, 466565), (499, 363715), (935, 194111), (1945, 93313), (2495, 72743), (4279, 42415), (5489, 33065), (6613, 27445), (8483, 21395)]