1661721266

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1\times {\mathrm{10139}}^1$

素因数の和:10406

約数の個数: 24

約数和(自身を含む): 2642524560

約数和(自身を除く): 980803294

約数列:

[1, 2, 19, 38, 227, 361, 454, 722, 4313, 8626, 10139, 20278, 81947, 163894, 192641, 385282, 2301553, 3660179, 4603106, 7320358, 43729507, 87459014, 830860633, 1661721266]

約数ペア:

[(1, 1661721266), (2, 830860633), (19, 87459014), (38, 43729507), (227, 7320358), (361, 4603106), (454, 3660179), (722, 2301553), (4313, 385282), (8626, 192641), (10139, 163894), (20278, 81947)]