64140335

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 91072512

約数和(自身を除く): 26932177

約数列:

[1, 5, 7, 35, 53, 71, 265, 355, 371, 487, 497, 1855, 2435, 2485, 3409, 3763, 17045, 18815, 25811, 26341, 34577, 129055, 131705, 172885, 180677, 242039, 903385, 1210195, 1832581, 9162905, 12828067, 64140335]

約数ペア:

[(1, 64140335), (5, 12828067), (7, 9162905), (35, 1832581), (53, 1210195), (71, 903385), (265, 242039), (355, 180677), (371, 172885), (487, 131705), (497, 129055), (1855, 34577), (2435, 26341), (2485, 25811), (3409, 18815), (3763, 17045)]