128914436

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{23371}}^1$

素因数の和:23579

約数の個数: 24

約数和(自身を含む): 259148736

約数和(自身を除く): 130234300

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 23371, 46742, 93484, 163597, 327194, 654388, 4604087, 9208174, 18416348, 32228609, 64457218, 128914436]

約数ペア:

[(1, 128914436), (2, 64457218), (4, 32228609), (7, 18416348), (14, 9208174), (28, 4604087), (197, 654388), (394, 327194), (788, 163597), (1379, 93484), (2758, 46742), (5516, 23371)]