81320302

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 149557968

約数和(自身を除く): 68237666

約数列:

[1, 2, 7, 14, 37, 41, 49, 74, 82, 98, 259, 287, 518, 547, 574, 1094, 1517, 1813, 2009, 3034, 3626, 3829, 4018, 7658, 10619, 20239, 21238, 22427, 26803, 40478, 44854, 53606, 74333, 141673, 148666, 156989, 283346, 313978, 829799, 991711, 1098923, 1659598, 1983422, 2197846, 5808593, 11617186, 40660151, 81320302]

約数ペア:

[(1, 81320302), (2, 40660151), (7, 11617186), (14, 5808593), (37, 2197846), (41, 1983422), (49, 1659598), (74, 1098923), (82, 991711), (98, 829799), (259, 313978), (287, 283346), (518, 156989), (547, 148666), (574, 141673), (1094, 74333), (1517, 53606), (1813, 44854), (2009, 40478), (3034, 26803), (3626, 22427), (3829, 21238), (4018, 20239), (7658, 10619)]