91981475

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 125624400

約数和(自身を除く): 33642925

約数列:

[1, 5, 17, 25, 29, 85, 145, 289, 425, 439, 493, 725, 1445, 2195, 2465, 7225, 7463, 8381, 10975, 12325, 12731, 37315, 41905, 63655, 126871, 186575, 209525, 216427, 318275, 634355, 1082135, 3171775, 3679259, 5410675, 18396295, 91981475]

約数ペア:

[(1, 91981475), (5, 18396295), (17, 5410675), (25, 3679259), (29, 3171775), (85, 1082135), (145, 634355), (289, 318275), (425, 216427), (439, 209525), (493, 186575), (725, 126871), (1445, 63655), (2195, 41905), (2465, 37315), (7225, 12731), (7463, 12325), (8381, 10975)]