639644376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{24251}}^1$

素因数の和:24424

約数の個数: 64

約数和(自身を含む): 1839271680

約数和(自身を除く): 1199627304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 157, 168, 314, 471, 628, 942, 1099, 1256, 1884, 2198, 3297, 3768, 4396, 6594, 8792, 13188, 24251, 26376, 48502, 72753, 97004, 145506, 169757, 194008, 291012, 339514, 509271, 582024, 679028, 1018542, 1358056, 2037084, 3807407, 4074168, 7614814, 11422221, 15229628, 22844442, 26651849, 30459256, 45688884, 53303698, 79955547, 91377768, 106607396, 159911094, 213214792, 319822188, 639644376]

約数ペア:

[(1, 639644376), (2, 319822188), (3, 213214792), (4, 159911094), (6, 106607396), (7, 91377768), (8, 79955547), (12, 53303698), (14, 45688884), (21, 30459256), (24, 26651849), (28, 22844442), (42, 15229628), (56, 11422221), (84, 7614814), (157, 4074168), (168, 3807407), (314, 2037084), (471, 1358056), (628, 1018542), (942, 679028), (1099, 582024), (1256, 509271), (1884, 339514), (2198, 291012), (3297, 194008), (3768, 169757), (4396, 145506), (6594, 97004), (8792, 72753), (13188, 48502), (24251, 26376)]