91488475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 134053920

約数和(自身を除く): 42565445

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 221, 325, 377, 425, 493, 571, 725, 1105, 1885, 2465, 2855, 5525, 6409, 7423, 9425, 9707, 12325, 14275, 16559, 32045, 37115, 48535, 82795, 126191, 160225, 185575, 215267, 242675, 281503, 413975, 630955, 1076335, 1407515, 3154775, 3659539, 5381675, 7037575, 18297695, 91488475]

約数ペア:

[(1, 91488475), (5, 18297695), (13, 7037575), (17, 5381675), (25, 3659539), (29, 3154775), (65, 1407515), (85, 1076335), (145, 630955), (221, 413975), (325, 281503), (377, 242675), (425, 215267), (493, 185575), (571, 160225), (725, 126191), (1105, 82795), (1885, 48535), (2465, 37115), (2855, 32045), (5525, 16559), (6409, 14275), (7423, 12325), (9425, 9707)]