28831788

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 81230688

約数和(自身を除く): 52398900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 53, 54, 69, 73, 81, 92, 106, 108, 138, 146, 159, 162, 207, 212, 219, 276, 292, 318, 324, 414, 438, 477, 621, 636, 657, 828, 876, 954, 1219, 1242, 1314, 1431, 1679, 1863, 1908, 1971, 2438, 2484, 2628, 2862, 3358, 3657, 3726, 3869, 3942, 4293, 4876, 5037, 5724, 5913, 6716, 7314, 7452, 7738, 7884, 8586, 10074, 10971, 11607, 11826, 14628, 15111, 15476, 17172, 20148, 21942, 23214, 23652, 30222, 32913, 34821, 43884, 45333, 46428, 60444, 65826, 69642, 88987, 90666, 98739, 104463, 131652, 135999, 139284, 177974, 181332, 197478, 208926, 266961, 271998, 313389, 355948, 394956, 417852, 533922, 543996, 626778, 800883, 1067844, 1253556, 1601766, 2402649, 3203532, 4805298, 7207947, 9610596, 14415894, 28831788]

約数ペア:

[(1, 28831788), (2, 14415894), (3, 9610596), (4, 7207947), (6, 4805298), (9, 3203532), (12, 2402649), (18, 1601766), (23, 1253556), (27, 1067844), (36, 800883), (46, 626778), (53, 543996), (54, 533922), (69, 417852), (73, 394956), (81, 355948), (92, 313389), (106, 271998), (108, 266961), (138, 208926), (146, 197478), (159, 181332), (162, 177974), (207, 139284), (212, 135999), (219, 131652), (276, 104463), (292, 98739), (318, 90666), (324, 88987), (414, 69642), (438, 65826), (477, 60444), (621, 46428), (636, 45333), (657, 43884), (828, 34821), (876, 32913), (954, 30222), (1219, 23652), (1242, 23214), (1314, 21942), (1431, 20148), (1679, 17172), (1863, 15476), (1908, 15111), (1971, 14628), (2438, 11826), (2484, 11607), (2628, 10971), (2862, 10074), (3358, 8586), (3657, 7884), (3726, 7738), (3869, 7452), (3942, 7314), (4293, 6716), (4876, 5913), (5037, 5724)]