70521890

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{16831}}^1$

素因数の和:17257

約数の個数: 16

約数和(自身を含む): 127249920

約数和(自身を除く): 56728030

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 16831, 33662, 84155, 168310, 7052189, 14104378, 35260945, 70521890]

約数ペア:

[(1, 70521890), (2, 35260945), (5, 14104378), (10, 7052189), (419, 168310), (838, 84155), (2095, 33662), (4190, 16831)]