28064916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 78126048

約数和(自身を除く): 50061132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 393, 396, 524, 541, 786, 1082, 1179, 1441, 1572, 1623, 2164, 2358, 2882, 3246, 4323, 4716, 4869, 5764, 5951, 6492, 8646, 9738, 11902, 12969, 17292, 17853, 19476, 23804, 25938, 35706, 51876, 53559, 70871, 71412, 107118, 141742, 212613, 214236, 283484, 425226, 637839, 779581, 850452, 1275678, 1559162, 2338743, 2551356, 3118324, 4677486, 7016229, 9354972, 14032458, 28064916]

約数ペア:

[(1, 28064916), (2, 14032458), (3, 9354972), (4, 7016229), (6, 4677486), (9, 3118324), (11, 2551356), (12, 2338743), (18, 1559162), (22, 1275678), (33, 850452), (36, 779581), (44, 637839), (66, 425226), (99, 283484), (131, 214236), (132, 212613), (198, 141742), (262, 107118), (393, 71412), (396, 70871), (524, 53559), (541, 51876), (786, 35706), (1082, 25938), (1179, 23804), (1441, 19476), (1572, 17853), (1623, 17292), (2164, 12969), (2358, 11902), (2882, 9738), (3246, 8646), (4323, 6492), (4716, 5951), (4869, 5764)]