81133822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 161533440

約数和(自身を除く): 80399618

約数列:

[1, 2, 7, 11, 14, 22, 29, 37, 58, 74, 77, 154, 203, 259, 319, 406, 407, 491, 518, 638, 814, 982, 1073, 2146, 2233, 2849, 3437, 4466, 5401, 5698, 6874, 7511, 10802, 11803, 14239, 15022, 18167, 23606, 28478, 36334, 37807, 75614, 82621, 99673, 127169, 156629, 165242, 199346, 199837, 254338, 313258, 399674, 526843, 1053686, 1096403, 1398859, 2192806, 2797718, 3687901, 5795273, 7375802, 11590546, 40566911, 81133822]

約数ペア:

[(1, 81133822), (2, 40566911), (7, 11590546), (11, 7375802), (14, 5795273), (22, 3687901), (29, 2797718), (37, 2192806), (58, 1398859), (74, 1096403), (77, 1053686), (154, 526843), (203, 399674), (259, 313258), (319, 254338), (406, 199837), (407, 199346), (491, 165242), (518, 156629), (638, 127169), (814, 99673), (982, 82621), (1073, 75614), (2146, 37807), (2233, 36334), (2849, 28478), (3437, 23606), (4466, 18167), (5401, 15022), (5698, 14239), (6874, 11803), (7511, 10802)]