78814775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 105868224

約数和(自身を除く): 27053449

約数列:

[1, 5, 13, 25, 65, 197, 325, 985, 1231, 2561, 4925, 6155, 12805, 16003, 30775, 64025, 80015, 242507, 400075, 1212535, 3152591, 6062675, 15762955, 78814775]

約数ペア:

[(1, 78814775), (5, 15762955), (13, 6062675), (25, 3152591), (65, 1212535), (197, 400075), (325, 242507), (985, 80015), (1231, 64025), (2561, 30775), (4925, 16003), (6155, 12805)]