247212252

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{140143}}^1$

素因数の和:140167

約数の個数: 54

約数和(自身を含む): 726926928

約数和(自身を除く): 479714676

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, 140143, 280286, 420429, 560572, 840858, 981001, 1261287, 1681716, 1962002, 2522574, 2943003, 3924004, 5045148, 5886006, 6867007, 8829009, 11772012, 13734014, 17658018, 20601021, 27468028, 35316036, 41202042, 61803063, 82404084, 123606126, 247212252]

約数ペア:

[(1, 247212252), (2, 123606126), (3, 82404084), (4, 61803063), (6, 41202042), (7, 35316036), (9, 27468028), (12, 20601021), (14, 17658018), (18, 13734014), (21, 11772012), (28, 8829009), (36, 6867007), (42, 5886006), (49, 5045148), (63, 3924004), (84, 2943003), (98, 2522574), (126, 1962002), (147, 1681716), (196, 1261287), (252, 981001), (294, 840858), (441, 560572), (588, 420429), (882, 280286), (1764, 140143)]