221836628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 444198720

約数和(自身を除く): 222362092

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 113, 226, 247, 452, 494, 988, 1469, 1987, 2147, 2938, 3974, 4294, 5876, 7948, 8588, 25831, 27911, 37753, 51662, 55822, 75506, 103324, 111644, 151012, 224531, 449062, 490789, 898124, 981578, 1963156, 2918903, 4266089, 5837806, 8532178, 11675612, 17064356, 55459157, 110918314, 221836628]

約数ペア:

[(1, 221836628), (2, 110918314), (4, 55459157), (13, 17064356), (19, 11675612), (26, 8532178), (38, 5837806), (52, 4266089), (76, 2918903), (113, 1963156), (226, 981578), (247, 898124), (452, 490789), (494, 449062), (988, 224531), (1469, 151012), (1987, 111644), (2147, 103324), (2938, 75506), (3974, 55822), (4294, 51662), (5876, 37753), (7948, 27911), (8588, 25831)]