397131407

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 447635376

約数和(自身を除く): 50503969

約数列:

[1, 17, 19, 163, 323, 361, 397, 2771, 3097, 6137, 6749, 7543, 52649, 58843, 64711, 128231, 143317, 1000331, 1100087, 1229509, 2436389, 20901653, 23360671, 397131407]

約数ペア:

[(1, 397131407), (17, 23360671), (19, 20901653), (163, 2436389), (323, 1229509), (361, 1100087), (397, 1000331), (2771, 143317), (3097, 128231), (6137, 64711), (6749, 58843), (7543, 52649)]