201221770

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{300331}}^1$

素因数の和:300405

約数の個数: 16

約数和(自身を含む): 367606368

約数和(自身を除く): 166384598

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 300331, 600662, 1501655, 3003310, 20122177, 40244354, 100610885, 201221770]

約数ペア:

[(1, 201221770), (2, 100610885), (5, 40244354), (10, 20122177), (67, 3003310), (134, 1501655), (335, 600662), (670, 300331)]