28690494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 69772800

約数和(自身を除く): 41082306

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 157, 229, 266, 314, 399, 458, 471, 687, 798, 942, 1099, 1374, 1603, 2198, 2983, 3206, 3297, 4351, 4809, 5966, 6594, 8702, 8949, 9618, 13053, 17898, 20881, 26106, 30457, 35953, 41762, 60914, 62643, 71906, 91371, 107859, 125286, 182742, 215718, 251671, 503342, 683107, 755013, 1366214, 1510026, 2049321, 4098642, 4781749, 9563498, 14345247, 28690494]

約数ペア:

[(1, 28690494), (2, 14345247), (3, 9563498), (6, 4781749), (7, 4098642), (14, 2049321), (19, 1510026), (21, 1366214), (38, 755013), (42, 683107), (57, 503342), (114, 251671), (133, 215718), (157, 182742), (229, 125286), (266, 107859), (314, 91371), (399, 71906), (458, 62643), (471, 60914), (687, 41762), (798, 35953), (942, 30457), (1099, 26106), (1374, 20881), (1603, 17898), (2198, 13053), (2983, 9618), (3206, 8949), (3297, 8702), (4351, 6594), (4809, 5966)]