389736151

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 485120000

約数和(自身を除く): 95383849

約数列:

[1, 7, 19, 49, 79, 133, 343, 553, 757, 931, 1501, 3871, 5299, 6517, 10507, 14383, 27097, 37093, 59803, 73549, 100681, 259651, 418621, 514843, 704767, 1136257, 2930347, 4933369, 7953799, 20512429, 55676593, 389736151]

約数ペア:

[(1, 389736151), (7, 55676593), (19, 20512429), (49, 7953799), (79, 4933369), (133, 2930347), (343, 1136257), (553, 704767), (757, 514843), (931, 418621), (1501, 259651), (3871, 100681), (5299, 73549), (6517, 59803), (10507, 37093), (14383, 27097)]