83681225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 118831680

約数和(自身を除く): 35150455

約数列:

[1, 5, 17, 19, 25, 43, 85, 95, 215, 241, 323, 425, 475, 731, 817, 1075, 1205, 1615, 3655, 4085, 4097, 4579, 6025, 8075, 10363, 13889, 18275, 20425, 20485, 22895, 51815, 69445, 77843, 102425, 114475, 176171, 196897, 259075, 347225, 389215, 880855, 984485, 1946075, 3347249, 4404275, 4922425, 16736245, 83681225]

約数ペア:

[(1, 83681225), (5, 16736245), (17, 4922425), (19, 4404275), (25, 3347249), (43, 1946075), (85, 984485), (95, 880855), (215, 389215), (241, 347225), (323, 259075), (425, 196897), (475, 176171), (731, 114475), (817, 102425), (1075, 77843), (1205, 69445), (1615, 51815), (3655, 22895), (4085, 20485), (4097, 20425), (4579, 18275), (6025, 13889), (8075, 10363)]