20130231342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{398887}}^1$

素因数の和:399552

約数の個数: 32

約数和(自身を含む): 43424543232

約数和(自身を除く): 23294311890

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 647, 1294, 1941, 3882, 8411, 16822, 25233, 50466, 398887, 797774, 1196661, 2393322, 5185531, 10371062, 15556593, 31113186, 258079889, 516159778, 774239667, 1548479334, 3355038557, 6710077114, 10065115671, 20130231342]

約数ペア:

[(1, 20130231342), (2, 10065115671), (3, 6710077114), (6, 3355038557), (13, 1548479334), (26, 774239667), (39, 516159778), (78, 258079889), (647, 31113186), (1294, 15556593), (1941, 10371062), (3882, 5185531), (8411, 2393322), (16822, 1196661), (25233, 797774), (50466, 398887)]