881408

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 1925448

約数和(自身を除く): 1044040

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 313, 352, 626, 704, 1252, 1408, 2504, 2816, 3443, 5008, 6886, 10016, 13772, 20032, 27544, 40064, 55088, 80128, 110176, 220352, 440704, 881408]

約数ペア:

[(1, 881408), (2, 440704), (4, 220352), (8, 110176), (11, 80128), (16, 55088), (22, 40064), (32, 27544), (44, 20032), (64, 13772), (88, 10016), (128, 6886), (176, 5008), (256, 3443), (313, 2816), (352, 2504), (626, 1408), (704, 1252)]