646212

素因数分解:

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

素因数の和:185

約数の個数: 48

約数和(自身を含む): 1769600

約数和(自身を除く): 1123388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 294, 314, 343, 471, 588, 628, 686, 942, 1029, 1099, 1372, 1884, 2058, 2198, 3297, 4116, 4396, 6594, 7693, 13188, 15386, 23079, 30772, 46158, 53851, 92316, 107702, 161553, 215404, 323106, 646212]

約数ペア:

[(1, 646212), (2, 323106), (3, 215404), (4, 161553), (6, 107702), (7, 92316), (12, 53851), (14, 46158), (21, 30772), (28, 23079), (42, 15386), (49, 13188), (84, 7693), (98, 6594), (147, 4396), (157, 4116), (196, 3297), (294, 2198), (314, 2058), (343, 1884), (471, 1372), (588, 1099), (628, 1029), (686, 942)]