201996775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3783

約数の個数: 24

約数和(自身を含む): 262268928

約数和(自身を除く): 60272153

約数列:

[1, 5, 25, 31, 71, 155, 355, 775, 1775, 2201, 3671, 11005, 18355, 55025, 91775, 113801, 260641, 569005, 1303205, 2845025, 6516025, 8079871, 40399355, 201996775]

約数ペア:

[(1, 201996775), (5, 40399355), (25, 8079871), (31, 6516025), (71, 2845025), (155, 1303205), (355, 569005), (775, 260641), (1775, 113801), (2201, 91775), (3671, 55025), (11005, 18355)]