1285386475

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 1688516928

約数和(自身を除く): 403130453

約数列:

[1, 5, 25, 37, 53, 157, 167, 185, 265, 785, 835, 925, 1325, 1961, 3925, 4175, 5809, 6179, 8321, 8851, 9805, 26219, 29045, 30895, 41605, 44255, 49025, 131095, 145225, 154475, 208025, 221275, 307877, 327487, 655475, 970103, 1389607, 1539385, 1637435, 4850515, 6948035, 7696925, 8187175, 24252575, 34740175, 51415459, 257077295, 1285386475]

約数ペア:

[(1, 1285386475), (5, 257077295), (25, 51415459), (37, 34740175), (53, 24252575), (157, 8187175), (167, 7696925), (185, 6948035), (265, 4850515), (785, 1637435), (835, 1539385), (925, 1389607), (1325, 970103), (1961, 655475), (3925, 327487), (4175, 307877), (5809, 221275), (6179, 208025), (8321, 154475), (8851, 145225), (9805, 131095), (26219, 49025), (29045, 44255), (30895, 41605)]