81688686

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 176947200

約数和(自身を除く): 95258514

約数列:

[1, 2, 3, 6, 23, 46, 59, 69, 79, 118, 127, 138, 158, 177, 237, 254, 354, 381, 474, 762, 1357, 1817, 2714, 2921, 3634, 4071, 4661, 5451, 5842, 7493, 8142, 8763, 9322, 10033, 10902, 13983, 14986, 17526, 20066, 22479, 27966, 30099, 44958, 60198, 107203, 172339, 214406, 230759, 321609, 344678, 461518, 517017, 591947, 643218, 692277, 1034034, 1183894, 1384554, 1775841, 3551682, 13614781, 27229562, 40844343, 81688686]

約数ペア:

[(1, 81688686), (2, 40844343), (3, 27229562), (6, 13614781), (23, 3551682), (46, 1775841), (59, 1384554), (69, 1183894), (79, 1034034), (118, 692277), (127, 643218), (138, 591947), (158, 517017), (177, 461518), (237, 344678), (254, 321609), (354, 230759), (381, 214406), (474, 172339), (762, 107203), (1357, 60198), (1817, 44958), (2714, 30099), (2921, 27966), (3634, 22479), (4071, 20066), (4661, 17526), (5451, 14986), (5842, 13983), (7493, 10902), (8142, 10033), (8763, 9322)]