1561419824

素因数分解:

$2^4\times {\mathrm{2441}}^1\times {\mathrm{39979}}^1$

素因数の和:42428

約数の個数: 20

約数和(自身を含む): 3026565960

約数和(自身を除く): 1465146136

約数列:

[1, 2, 4, 8, 16, 2441, 4882, 9764, 19528, 39056, 39979, 79958, 159916, 319832, 639664, 97588739, 195177478, 390354956, 780709912, 1561419824]

約数ペア:

[(1, 1561419824), (2, 780709912), (4, 390354956), (8, 195177478), (16, 97588739), (2441, 639664), (4882, 319832), (9764, 159916), (19528, 79958), (39056, 39979)]