31345475

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 47044608

約数和(自身を除く): 15699133

約数列:

[1, 5, 7, 25, 35, 37, 47, 103, 175, 185, 235, 259, 329, 515, 721, 925, 1175, 1295, 1645, 1739, 2575, 3605, 3811, 4841, 6475, 8225, 8695, 12173, 18025, 19055, 24205, 26677, 33887, 43475, 60865, 95275, 121025, 133385, 169435, 179117, 304325, 666925, 847175, 895585, 1253819, 4477925, 6269095, 31345475]

約数ペア:

[(1, 31345475), (5, 6269095), (7, 4477925), (25, 1253819), (35, 895585), (37, 847175), (47, 666925), (103, 304325), (175, 179117), (185, 169435), (235, 133385), (259, 121025), (329, 95275), (515, 60865), (721, 43475), (925, 33887), (1175, 26677), (1295, 24205), (1645, 19055), (1739, 18025), (2575, 12173), (3605, 8695), (3811, 8225), (4841, 6475)]