388118978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{571}}^1\times {\mathrm{2011}}^1$

素因数の和:2610

約数の個数: 24

約数和(自身を含む): 631824336

約数和(自身を除く): 243705358

約数列:

[1, 2, 13, 26, 169, 338, 571, 1142, 2011, 4022, 7423, 14846, 26143, 52286, 96499, 192998, 339859, 679718, 1148281, 2296562, 14927653, 29855306, 194059489, 388118978]

約数ペア:

[(1, 388118978), (2, 194059489), (13, 29855306), (26, 14927653), (169, 2296562), (338, 1148281), (571, 679718), (1142, 339859), (2011, 192998), (4022, 96499), (7423, 52286), (14846, 26143)]