661921919

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{617}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 691220640

約数和(自身を除く): 29298721

約数列:

[1, 43, 61, 409, 617, 2623, 17587, 24949, 26531, 37637, 252353, 1072807, 1618391, 10851179, 15393533, 661921919]

約数ペア:

[(1, 661921919), (43, 15393533), (61, 10851179), (409, 1618391), (617, 1072807), (2623, 252353), (17587, 37637), (24949, 26531)]