128429275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2617}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 172704224

約数和(自身を除く): 44274949

約数列:

[1, 5, 13, 25, 65, 151, 325, 755, 1963, 2617, 3775, 9815, 13085, 34021, 49075, 65425, 170105, 395167, 850525, 1975835, 5137171, 9879175, 25685855, 128429275]

約数ペア:

[(1, 128429275), (5, 25685855), (13, 9879175), (25, 5137171), (65, 1975835), (151, 850525), (325, 395167), (755, 170105), (1963, 65425), (2617, 49075), (3775, 34021), (9815, 13085)]