128812124

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{21803}}^1$

素因数の和:22025

約数の個数: 24

約数和(自身を含む): 258857088

約数和(自身を除く): 130044964

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 5908, 21803, 43606, 87212, 152621, 305242, 610484, 4600433, 9200866, 18401732, 32203031, 64406062, 128812124]

約数ペア:

[(1, 128812124), (2, 64406062), (4, 32203031), (7, 18401732), (14, 9200866), (28, 4600433), (211, 610484), (422, 305242), (844, 152621), (1477, 87212), (2954, 43606), (5908, 21803)]