28905372

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 78545376

約数和(自身を除く): 49640004

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 73, 102, 146, 153, 204, 219, 292, 306, 438, 612, 647, 657, 876, 1241, 1294, 1314, 1941, 2482, 2588, 2628, 3723, 3882, 4964, 5823, 7446, 7764, 10999, 11169, 11646, 14892, 21998, 22338, 23292, 32997, 43996, 44676, 47231, 65994, 94462, 98991, 131988, 141693, 188924, 197982, 283386, 395964, 425079, 566772, 802927, 850158, 1605854, 1700316, 2408781, 3211708, 4817562, 7226343, 9635124, 14452686, 28905372]

約数ペア:

[(1, 28905372), (2, 14452686), (3, 9635124), (4, 7226343), (6, 4817562), (9, 3211708), (12, 2408781), (17, 1700316), (18, 1605854), (34, 850158), (36, 802927), (51, 566772), (68, 425079), (73, 395964), (102, 283386), (146, 197982), (153, 188924), (204, 141693), (219, 131988), (292, 98991), (306, 94462), (438, 65994), (612, 47231), (647, 44676), (657, 43996), (876, 32997), (1241, 23292), (1294, 22338), (1314, 21998), (1941, 14892), (2482, 11646), (2588, 11169), (2628, 10999), (3723, 7764), (3882, 7446), (4964, 5823)]