77908475

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 104092296

約数和(自身を除く): 26183821

約数列:

[1, 5, 23, 25, 43, 115, 137, 215, 529, 575, 685, 989, 1075, 2645, 3151, 3425, 4945, 5891, 13225, 15755, 22747, 24725, 29455, 72473, 78775, 113735, 135493, 147275, 362365, 568675, 677465, 1811825, 3116339, 3387325, 15581695, 77908475]

約数ペア:

[(1, 77908475), (5, 15581695), (23, 3387325), (25, 3116339), (43, 1811825), (115, 677465), (137, 568675), (215, 362365), (529, 147275), (575, 135493), (685, 113735), (989, 78775), (1075, 72473), (2645, 29455), (3151, 24725), (3425, 22747), (4945, 15755), (5891, 13225)]