81580004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{27673}}^1$

素因数の和:27755

約数の個数: 24

約数和(自身を含む): 158073888

約数和(自身を除く): 76493884

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 27673, 55346, 110692, 304403, 608806, 1217612, 1854091, 3708182, 7416364, 20395001, 40790002, 81580004]

約数ペア:

[(1, 81580004), (2, 40790002), (4, 20395001), (11, 7416364), (22, 3708182), (44, 1854091), (67, 1217612), (134, 608806), (268, 304403), (737, 110692), (1474, 55346), (2948, 27673)]