68415295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 96122880

約数和(自身を除く): 27707585

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 1787, 2015, 2945, 7657, 8935, 23231, 33953, 38285, 55397, 116155, 169765, 276985, 441389, 720161, 1052543, 2206945, 3600805, 5262715, 13683059, 68415295]

約数ペア:

[(1, 68415295), (5, 13683059), (13, 5262715), (19, 3600805), (31, 2206945), (65, 1052543), (95, 720161), (155, 441389), (247, 276985), (403, 169765), (589, 116155), (1235, 55397), (1787, 38285), (2015, 33953), (2945, 23231), (7657, 8935)]