31998404

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 57288000

約数和(自身を除く): 25289596

約数列:

[1, 2, 4, 61, 122, 199, 244, 398, 659, 796, 1318, 2636, 12139, 24278, 40199, 48556, 80398, 131141, 160796, 262282, 524564, 7999601, 15999202, 31998404]

約数ペア:

[(1, 31998404), (2, 15999202), (4, 7999601), (61, 524564), (122, 262282), (199, 160796), (244, 131141), (398, 80398), (659, 48556), (796, 40199), (1318, 24278), (2636, 12139)]