687504475

素因数分解:

$5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 996561216

約数和(自身を除く): 309056741

約数列:

[1, 5, 7, 25, 35, 97, 101, 175, 401, 485, 505, 679, 707, 2005, 2425, 2525, 2807, 3395, 3535, 9797, 10025, 14035, 16975, 17675, 38897, 40501, 48985, 68579, 70175, 194485, 202505, 244925, 272279, 283507, 342895, 972425, 1012525, 1361395, 1417535, 1714475, 3928597, 6806975, 7087675, 19642985, 27500179, 98214925, 137500895, 687504475]

約数ペア:

[(1, 687504475), (5, 137500895), (7, 98214925), (25, 27500179), (35, 19642985), (97, 7087675), (101, 6806975), (175, 3928597), (401, 1714475), (485, 1417535), (505, 1361395), (679, 1012525), (707, 972425), (2005, 342895), (2425, 283507), (2525, 272279), (2807, 244925), (3395, 202505), (3535, 194485), (9797, 70175), (10025, 68579), (14035, 48985), (16975, 40501), (17675, 38897)]