128393410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{210481}}^1$

素因数の和:210549

約数の個数: 16

約数和(自身を含む): 234897912

約数和(自身を除く): 106504502

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 210481, 420962, 1052405, 2104810, 12839341, 25678682, 64196705, 128393410]

約数ペア:

[(1, 128393410), (2, 64196705), (5, 25678682), (10, 12839341), (61, 2104810), (122, 1052405), (305, 420962), (610, 210481)]