31243025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 46122048

約数和(自身を除く): 14879023

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 163, 187, 205, 275, 425, 451, 697, 815, 935, 1025, 1793, 2255, 2771, 3485, 4075, 4675, 6683, 7667, 8965, 11275, 13855, 17425, 30481, 33415, 38335, 44825, 69275, 73513, 113611, 152405, 167075, 191675, 367565, 568055, 762025, 1249721, 1837825, 2840275, 6248605, 31243025]

約数ペア:

[(1, 31243025), (5, 6248605), (11, 2840275), (17, 1837825), (25, 1249721), (41, 762025), (55, 568055), (85, 367565), (163, 191675), (187, 167075), (205, 152405), (275, 113611), (425, 73513), (451, 69275), (697, 44825), (815, 38335), (935, 33415), (1025, 30481), (1793, 17425), (2255, 13855), (2771, 11275), (3485, 8965), (4075, 7667), (4675, 6683)]