81745856

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{20939}}^1$

素因数の和:21012

約数の個数: 28

約数和(自身を含む): 164881560

約数和(自身を除く): 83135704

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 20939, 41878, 83756, 167512, 335024, 670048, 1277279, 1340096, 2554558, 5109116, 10218232, 20436464, 40872928, 81745856]

約数ペア:

[(1, 81745856), (2, 40872928), (4, 20436464), (8, 10218232), (16, 5109116), (32, 2554558), (61, 1340096), (64, 1277279), (122, 670048), (244, 335024), (488, 167512), (976, 83756), (1952, 41878), (3904, 20939)]