1561844

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 2869608

約数和(自身を除く): 1307764

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 173, 244, 346, 692, 2257, 4514, 6401, 9028, 10553, 12802, 21106, 25604, 42212, 390461, 780922, 1561844]

約数ペア:

[(1, 1561844), (2, 780922), (4, 390461), (37, 42212), (61, 25604), (74, 21106), (122, 12802), (148, 10553), (173, 9028), (244, 6401), (346, 4514), (692, 2257)]