77942875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 105513408

約数和(自身を除く): 27570533

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 425, 731, 853, 1075, 2125, 3655, 4265, 5375, 14501, 18275, 21325, 36679, 72505, 91375, 106625, 183395, 362525, 623543, 916975, 1812625, 3117715, 4584875, 15588575, 77942875]

約数ペア:

[(1, 77942875), (5, 15588575), (17, 4584875), (25, 3117715), (43, 1812625), (85, 916975), (125, 623543), (215, 362525), (425, 183395), (731, 106625), (853, 91375), (1075, 72505), (2125, 36679), (3655, 21325), (4265, 18275), (5375, 14501)]