28261758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 67092480

約数和(自身を除く): 38830722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 103, 139, 141, 206, 278, 282, 309, 329, 417, 618, 658, 721, 834, 973, 987, 1442, 1946, 1974, 2163, 2919, 4326, 4841, 5838, 6533, 9682, 13066, 14317, 14523, 19599, 28634, 29046, 33887, 39198, 42951, 45731, 67774, 85902, 91462, 100219, 101661, 137193, 200438, 203322, 274386, 300657, 601314, 672899, 1345798, 2018697, 4037394, 4710293, 9420586, 14130879, 28261758]

約数ペア:

[(1, 28261758), (2, 14130879), (3, 9420586), (6, 4710293), (7, 4037394), (14, 2018697), (21, 1345798), (42, 672899), (47, 601314), (94, 300657), (103, 274386), (139, 203322), (141, 200438), (206, 137193), (278, 101661), (282, 100219), (309, 91462), (329, 85902), (417, 67774), (618, 45731), (658, 42951), (721, 39198), (834, 33887), (973, 29046), (987, 28634), (1442, 19599), (1946, 14523), (1974, 14317), (2163, 13066), (2919, 9682), (4326, 6533), (4841, 5838)]