28690228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 60928000

約数和(自身を除く): 32237772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 199, 266, 271, 398, 532, 542, 796, 1084, 1393, 1897, 2786, 3781, 3794, 5149, 5572, 7562, 7588, 10298, 15124, 20596, 26467, 36043, 52934, 53929, 72086, 105868, 107858, 144172, 215716, 377503, 755006, 1024651, 1510012, 2049302, 4098604, 7172557, 14345114, 28690228]

約数ペア:

[(1, 28690228), (2, 14345114), (4, 7172557), (7, 4098604), (14, 2049302), (19, 1510012), (28, 1024651), (38, 755006), (76, 377503), (133, 215716), (199, 144172), (266, 107858), (271, 105868), (398, 72086), (532, 53929), (542, 52934), (796, 36043), (1084, 26467), (1393, 20596), (1897, 15124), (2786, 10298), (3781, 7588), (3794, 7562), (5149, 5572)]