64020436

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{55381}}^1$

素因数の和:55419

約数の個数: 18

約数和(自身を含む): 119015918

約数和(自身を除く): 54995482

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 55381, 110762, 221524, 941477, 1882954, 3765908, 16005109, 32010218, 64020436]

約数ペア:

[(1, 64020436), (2, 32010218), (4, 16005109), (17, 3765908), (34, 1882954), (68, 941477), (289, 221524), (578, 110762), (1156, 55381)]