28705124

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 32581276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 683, 1106, 1366, 1501, 2212, 2732, 3002, 4781, 6004, 9562, 10507, 12977, 19124, 21014, 25954, 42028, 51908, 53957, 90839, 107914, 181678, 215828, 363356, 377699, 755398, 1025183, 1510796, 2050366, 4100732, 7176281, 14352562, 28705124]

約数ペア:

[(1, 28705124), (2, 14352562), (4, 7176281), (7, 4100732), (14, 2050366), (19, 1510796), (28, 1025183), (38, 755398), (76, 377699), (79, 363356), (133, 215828), (158, 181678), (266, 107914), (316, 90839), (532, 53957), (553, 51908), (683, 42028), (1106, 25954), (1366, 21014), (1501, 19124), (2212, 12977), (2732, 10507), (3002, 9562), (4781, 6004)]