258889390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{354643}}^1$

素因数の和:354723

約数の個数: 16

約数和(自身を含む): 472385808

約数和(自身を除く): 213496418

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 354643, 709286, 1773215, 3546430, 25888939, 51777878, 129444695, 258889390]

約数ペア:

[(1, 258889390), (2, 129444695), (5, 51777878), (10, 25888939), (73, 3546430), (146, 1773215), (365, 709286), (730, 354643)]