31869475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 45910008

約数和(自身を除く): 14040533

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 289, 401, 425, 935, 1445, 2005, 3179, 4411, 4675, 6817, 7225, 10025, 15895, 22055, 34085, 74987, 79475, 110275, 115889, 170425, 374935, 579445, 1274779, 1874675, 2897225, 6373895, 31869475]

約数ペア:

[(1, 31869475), (5, 6373895), (11, 2897225), (17, 1874675), (25, 1274779), (55, 579445), (85, 374935), (187, 170425), (275, 115889), (289, 110275), (401, 79475), (425, 74987), (935, 34085), (1445, 22055), (2005, 15895), (3179, 10025), (4411, 7225), (4675, 6817)]