201521290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{694901}}^1$

素因数の和:694937

約数の個数: 16

約数和(自身を含む): 375247080

約数和(自身を除く): 173725790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 694901, 1389802, 3474505, 6949010, 20152129, 40304258, 100760645, 201521290]

約数ペア:

[(1, 201521290), (2, 100760645), (5, 40304258), (10, 20152129), (29, 6949010), (58, 3474505), (145, 1389802), (290, 694901)]