31374728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 77215680

約数和(自身を除く): 45840952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 53, 56, 62, 77, 88, 106, 124, 154, 212, 217, 248, 308, 341, 371, 424, 434, 583, 616, 682, 742, 868, 961, 1166, 1364, 1484, 1643, 1736, 1922, 2332, 2387, 2728, 2968, 3286, 3844, 4081, 4664, 4774, 6572, 6727, 7688, 8162, 9548, 10571, 11501, 13144, 13454, 16324, 18073, 19096, 21142, 23002, 26908, 32648, 36146, 42284, 46004, 50933, 53816, 72292, 73997, 84568, 92008, 101866, 126511, 144584, 147994, 203732, 253022, 295988, 356531, 407464, 506044, 560263, 591976, 713062, 1012088, 1120526, 1426124, 2241052, 2852248, 3921841, 4482104, 7843682, 15687364, 31374728]

約数ペア:

[(1, 31374728), (2, 15687364), (4, 7843682), (7, 4482104), (8, 3921841), (11, 2852248), (14, 2241052), (22, 1426124), (28, 1120526), (31, 1012088), (44, 713062), (53, 591976), (56, 560263), (62, 506044), (77, 407464), (88, 356531), (106, 295988), (124, 253022), (154, 203732), (212, 147994), (217, 144584), (248, 126511), (308, 101866), (341, 92008), (371, 84568), (424, 73997), (434, 72292), (583, 53816), (616, 50933), (682, 46004), (742, 42284), (868, 36146), (961, 32648), (1166, 26908), (1364, 23002), (1484, 21142), (1643, 19096), (1736, 18073), (1922, 16324), (2332, 13454), (2387, 13144), (2728, 11501), (2968, 10571), (3286, 9548), (3844, 8162), (4081, 7688), (4664, 6727), (4774, 6572)]