389655175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2903}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 604961280

約数和(自身を除く): 215306105

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 175, 295, 325, 413, 455, 767, 1475, 2065, 2275, 2903, 3835, 5369, 10325, 14515, 19175, 20321, 26845, 37739, 72575, 101605, 134225, 171277, 188695, 264173, 508025, 856385, 943475, 1198939, 1320865, 2226601, 4281925, 5994695, 6604325, 11133005, 15586207, 29973475, 55665025, 77931035, 389655175]

約数ペア:

[(1, 389655175), (5, 77931035), (7, 55665025), (13, 29973475), (25, 15586207), (35, 11133005), (59, 6604325), (65, 5994695), (91, 4281925), (175, 2226601), (295, 1320865), (325, 1198939), (413, 943475), (455, 856385), (767, 508025), (1475, 264173), (2065, 188695), (2275, 171277), (2903, 134225), (3835, 101605), (5369, 72575), (10325, 37739), (14515, 26845), (19175, 20321)]