81268396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2371}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 167368320

約数和(自身を除く): 86099924

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 779, 836, 902, 1558, 1804, 2371, 3116, 4742, 8569, 9484, 17138, 26081, 34276, 45049, 52162, 90098, 97211, 104324, 180196, 194422, 388844, 495539, 991078, 1069321, 1847009, 1982156, 2138642, 3694018, 4277284, 7388036, 20317099, 40634198, 81268396]

約数ペア:

[(1, 81268396), (2, 40634198), (4, 20317099), (11, 7388036), (19, 4277284), (22, 3694018), (38, 2138642), (41, 1982156), (44, 1847009), (76, 1069321), (82, 991078), (164, 495539), (209, 388844), (418, 194422), (451, 180196), (779, 104324), (836, 97211), (902, 90098), (1558, 52162), (1804, 45049), (2371, 34276), (3116, 26081), (4742, 17138), (8569, 9484)]