28281176

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 68290560

約数和(自身を除く): 40009384

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1364, 1481, 1736, 2387, 2728, 2962, 4774, 5924, 9548, 10367, 11848, 16291, 19096, 20734, 32582, 41468, 45911, 65164, 82936, 91822, 114037, 130328, 183644, 228074, 321377, 367288, 456148, 505021, 642754, 912296, 1010042, 1285508, 2020084, 2571016, 3535147, 4040168, 7070294, 14140588, 28281176]

約数ペア:

[(1, 28281176), (2, 14140588), (4, 7070294), (7, 4040168), (8, 3535147), (11, 2571016), (14, 2020084), (22, 1285508), (28, 1010042), (31, 912296), (44, 642754), (56, 505021), (62, 456148), (77, 367288), (88, 321377), (124, 228074), (154, 183644), (217, 130328), (248, 114037), (308, 91822), (341, 82936), (434, 65164), (616, 45911), (682, 41468), (868, 32582), (1364, 20734), (1481, 19096), (1736, 16291), (2387, 11848), (2728, 10367), (2962, 9548), (4774, 5924)]