81864958

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{13381}}^1$

素因数の和:13432

約数の個数: 32

約数和(自身を含む): 154160640

約数和(自身を除く): 72295682

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 6118, 13381, 26762, 93667, 187334, 254239, 307763, 508478, 615526, 1779673, 2154341, 3559346, 4308682, 5847497, 11694994, 40932479, 81864958]

約数ペア:

[(1, 81864958), (2, 40932479), (7, 11694994), (14, 5847497), (19, 4308682), (23, 3559346), (38, 2154341), (46, 1779673), (133, 615526), (161, 508478), (266, 307763), (322, 254239), (437, 187334), (874, 93667), (3059, 26762), (6118, 13381)]