79771225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 107389828

約数和(自身を除く): 27618603

約数列:

[1, 5, 17, 25, 61, 85, 181, 289, 305, 425, 905, 1037, 1445, 1525, 3077, 4525, 5185, 7225, 11041, 15385, 17629, 25925, 52309, 55205, 76925, 88145, 187697, 261545, 276025, 440725, 938485, 1307725, 3190849, 4692425, 15954245, 79771225]

約数ペア:

[(1, 79771225), (5, 15954245), (17, 4692425), (25, 3190849), (61, 1307725), (85, 938485), (181, 440725), (289, 276025), (305, 261545), (425, 187697), (905, 88145), (1037, 76925), (1445, 55205), (1525, 52309), (3077, 25925), (4525, 17629), (5185, 15385), (7225, 11041)]