397485725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 609544320

約数和(自身を除く): 212058595

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 379, 455, 461, 1895, 2275, 2305, 2653, 3227, 4927, 5993, 9475, 11525, 13265, 16135, 24635, 29965, 34489, 41951, 66325, 80675, 123175, 149825, 172445, 174719, 209755, 862225, 873595, 1048775, 1223033, 2271347, 4367975, 6115165, 11356735, 15899429, 30575825, 56783675, 79497145, 397485725]

約数ペア:

[(1, 397485725), (5, 79497145), (7, 56783675), (13, 30575825), (25, 15899429), (35, 11356735), (65, 6115165), (91, 4367975), (175, 2271347), (325, 1223033), (379, 1048775), (455, 873595), (461, 862225), (1895, 209755), (2275, 174719), (2305, 172445), (2653, 149825), (3227, 123175), (4927, 80675), (5993, 66325), (9475, 41951), (11525, 34489), (13265, 29965), (16135, 24635)]