81676072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5399}}^1$

素因数の和:5497

約数の個数: 32

約数和(自身を含む): 160704000

約数和(自身を除く): 79027928

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 3782, 5399, 7564, 10798, 15128, 21596, 43192, 167369, 329339, 334738, 658678, 669476, 1317356, 1338952, 2634712, 10209509, 20419018, 40838036, 81676072]

約数ペア:

[(1, 81676072), (2, 40838036), (4, 20419018), (8, 10209509), (31, 2634712), (61, 1338952), (62, 1317356), (122, 669476), (124, 658678), (244, 334738), (248, 329339), (488, 167369), (1891, 43192), (3782, 21596), (5399, 15128), (7564, 10798)]