81791884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{26249}}^1$

素因数の和:26313

約数の個数: 24

約数和(自身を含む): 154350000

約数和(自身を除く): 72558116

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 26249, 52498, 104996, 498731, 997462, 1076209, 1994924, 2152418, 4304836, 20447971, 40895942, 81791884]

約数ペア:

[(1, 81791884), (2, 40895942), (4, 20447971), (19, 4304836), (38, 2152418), (41, 1994924), (76, 1076209), (82, 997462), (164, 498731), (779, 104996), (1558, 52498), (3116, 26249)]