80984897

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 101888640

約数和(自身を除く): 20903743

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 931, 1813, 2351, 4921, 16457, 34447, 44669, 86987, 115199, 312683, 608909, 1652753, 2188781, 4262363, 11569271, 80984897]

約数ペア:

[(1, 80984897), (7, 11569271), (19, 4262363), (37, 2188781), (49, 1652753), (133, 608909), (259, 312683), (703, 115199), (931, 86987), (1813, 44669), (2351, 34447), (4921, 16457)]