898171925

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 1301083392

約数和(自身を除く): 402911467

約数列:

[1, 5, 7, 25, 35, 73, 167, 175, 365, 421, 511, 835, 1169, 1825, 2105, 2555, 2947, 4175, 5845, 10525, 12191, 12775, 14735, 29225, 30733, 60955, 70307, 73675, 85337, 153665, 215131, 304775, 351535, 426685, 492149, 768325, 1075655, 1757675, 2133425, 2460745, 5132411, 5378275, 12303725, 25662055, 35926877, 128310275, 179634385, 898171925]

約数ペア:

[(1, 898171925), (5, 179634385), (7, 128310275), (25, 35926877), (35, 25662055), (73, 12303725), (167, 5378275), (175, 5132411), (365, 2460745), (421, 2133425), (511, 1757675), (835, 1075655), (1169, 768325), (1825, 492149), (2105, 426685), (2555, 351535), (2947, 304775), (4175, 215131), (5845, 153665), (10525, 85337), (12191, 73675), (12775, 70307), (14735, 60955), (29225, 30733)]