28113444

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 76422528

約数和(自身を除く): 48309084

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 647, 852, 1207, 1278, 1294, 1941, 2414, 2556, 2588, 3621, 3882, 4828, 5823, 7242, 7764, 10863, 10999, 11646, 14484, 21726, 21998, 23292, 32997, 43452, 43996, 45937, 65994, 91874, 98991, 131988, 137811, 183748, 197982, 275622, 395964, 413433, 551244, 780929, 826866, 1561858, 1653732, 2342787, 3123716, 4685574, 7028361, 9371148, 14056722, 28113444]

約数ペア:

[(1, 28113444), (2, 14056722), (3, 9371148), (4, 7028361), (6, 4685574), (9, 3123716), (12, 2342787), (17, 1653732), (18, 1561858), (34, 826866), (36, 780929), (51, 551244), (68, 413433), (71, 395964), (102, 275622), (142, 197982), (153, 183748), (204, 137811), (213, 131988), (284, 98991), (306, 91874), (426, 65994), (612, 45937), (639, 43996), (647, 43452), (852, 32997), (1207, 23292), (1278, 21998), (1294, 21726), (1941, 14484), (2414, 11646), (2556, 10999), (2588, 10863), (3621, 7764), (3882, 7242), (4828, 5823)]