208339628

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 425128704

約数和(自身を除く): 216789076

約数列:

[1, 2, 4, 7, 14, 28, 83, 157, 166, 314, 332, 571, 581, 628, 1099, 1142, 1162, 2198, 2284, 2324, 3997, 4396, 7994, 13031, 15988, 26062, 47393, 52124, 89647, 91217, 94786, 179294, 182434, 189572, 331751, 358588, 364868, 627529, 663502, 1255058, 1327004, 2510116, 7440701, 14881402, 29762804, 52084907, 104169814, 208339628]

約数ペア:

[(1, 208339628), (2, 104169814), (4, 52084907), (7, 29762804), (14, 14881402), (28, 7440701), (83, 2510116), (157, 1327004), (166, 1255058), (314, 663502), (332, 627529), (571, 364868), (581, 358588), (628, 331751), (1099, 189572), (1142, 182434), (1162, 179294), (2198, 94786), (2284, 91217), (2324, 89647), (3997, 52124), (4396, 47393), (7994, 26062), (13031, 15988)]