664973316

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{376969}}^1$

素因数の和:376993

約数の個数: 54

約数和(自身を含む): 1955343390

約数和(自身を除く): 1290370074

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 376969, 753938, 1130907, 1507876, 2261814, 2638783, 3392721, 4523628, 5277566, 6785442, 7916349, 10555132, 13570884, 15832698, 18471481, 23749047, 31665396, 36942962, 47498094, 55414443, 73885924, 94996188, 110828886, 166243329, 221657772, 332486658, 664973316]

約数ペア:

[(1, 664973316), (2, 332486658), (3, 221657772), (4, 166243329), (6, 110828886), (7, 94996188), (9, 73885924), (12, 55414443), (14, 47498094), (18, 36942962), (21, 31665396), (28, 23749047), (36, 18471481), (42, 15832698), (49, 13570884), (63, 10555132), (84, 7916349), (98, 6785442), (126, 5277566), (147, 4523628), (196, 3392721), (252, 2638783), (294, 2261814), (441, 1507876), (588, 1130907), (882, 753938), (1764, 376969)]