644093296

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1213}}^1$

素因数の和:1670

約数の個数: 80

約数和(自身を含む): 1560757248

約数和(自身を除く): 916663952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 431, 616, 862, 1213, 1232, 1724, 2426, 3017, 3448, 4741, 4852, 6034, 6896, 8491, 9482, 9704, 12068, 13343, 16982, 18964, 19408, 24136, 26686, 33187, 33964, 37928, 48272, 53372, 66374, 67928, 75856, 93401, 106744, 132748, 135856, 186802, 213488, 265496, 373604, 522803, 530992, 747208, 1045606, 1494416, 2091212, 3659621, 4182424, 5750833, 7319242, 8364848, 11501666, 14638484, 23003332, 29276968, 40255831, 46006664, 58553936, 80511662, 92013328, 161023324, 322046648, 644093296]

約数ペア:

[(1, 644093296), (2, 322046648), (4, 161023324), (7, 92013328), (8, 80511662), (11, 58553936), (14, 46006664), (16, 40255831), (22, 29276968), (28, 23003332), (44, 14638484), (56, 11501666), (77, 8364848), (88, 7319242), (112, 5750833), (154, 4182424), (176, 3659621), (308, 2091212), (431, 1494416), (616, 1045606), (862, 747208), (1213, 530992), (1232, 522803), (1724, 373604), (2426, 265496), (3017, 213488), (3448, 186802), (4741, 135856), (4852, 132748), (6034, 106744), (6896, 93401), (8491, 75856), (9482, 67928), (9704, 66374), (12068, 53372), (13343, 48272), (16982, 37928), (18964, 33964), (19408, 33187), (24136, 26686)]