1281229.00000000

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 81616896

約数和(自身を除く): 49160010

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 163, 231, 326, 431, 462, 489, 862, 978, 1141, 1293, 1793, 2282, 2586, 3017, 3423, 3586, 4741, 5379, 6034, 6846, 9051, 9482, 10758, 12551, 14223, 18102, 25102, 28446, 33187, 37653, 66374, 70253, 75306, 99561, 140506, 199122, 210759, 421518, 491771, 772783, 983542, 1475313, 1545566, 2318349, 2950626, 4636698, 5409481, 10818962, 16228443, 32456886]

約数ペア:

[(1, 32456886), (2, 16228443), (3, 10818962), (6, 5409481), (7, 4636698), (11, 2950626), (14, 2318349), (21, 1545566), (22, 1475313), (33, 983542), (42, 772783), (66, 491771), (77, 421518), (154, 210759), (163, 199122), (231, 140506), (326, 99561), (431, 75306), (462, 70253), (489, 66374), (862, 37653), (978, 33187), (1141, 28446), (1293, 25102), (1793, 18102), (2282, 14223), (2586, 12551), (3017, 10758), (3423, 9482), (3586, 9051), (4741, 6846), (5379, 6034)]