81321422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19427}}^1$

素因数の和:19472

約数の個数: 32

約数和(自身を含む): 156667392

約数和(自身を除く): 75345970

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 19427, 38854, 135989, 252551, 271978, 446821, 505102, 893642, 1767857, 3127747, 3535714, 5808673, 6255494, 11617346, 40660711, 81321422]

約数ペア:

[(1, 81321422), (2, 40660711), (7, 11617346), (13, 6255494), (14, 5808673), (23, 3535714), (26, 3127747), (46, 1767857), (91, 893642), (161, 505102), (182, 446821), (299, 271978), (322, 252551), (598, 135989), (2093, 38854), (4186, 19427)]