77869775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4261}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 104640624

約数和(自身を除く): 26770849

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 4261, 18275, 21305, 72437, 106525, 183223, 362185, 916115, 1810925, 3114791, 4580575, 15573955, 77869775]

約数ペア:

[(1, 77869775), (5, 15573955), (17, 4580575), (25, 3114791), (43, 1810925), (85, 916115), (215, 362185), (425, 183223), (731, 106525), (1075, 72437), (3655, 21305), (4261, 18275)]