128570065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 176964480

約数和(自身を除く): 48394415

約数列:

[1, 5, 13, 17, 65, 85, 221, 307, 379, 1105, 1535, 1895, 3991, 4927, 5219, 6443, 19955, 24635, 26095, 32215, 67847, 83759, 116353, 339235, 418795, 581765, 1512589, 1978001, 7562945, 9890005, 25714013, 128570065]

約数ペア:

[(1, 128570065), (5, 25714013), (13, 9890005), (17, 7562945), (65, 1978001), (85, 1512589), (221, 581765), (307, 418795), (379, 339235), (1105, 116353), (1535, 83759), (1895, 67847), (3991, 32215), (4927, 26095), (5219, 24635), (6443, 19955)]