215425448

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{4003}}^1$

素因数の和:4078

約数の個数: 48

約数和(自身を含む): 477116640

約数和(自身を除く): 261691192

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 961, 1736, 1922, 3844, 4003, 6727, 7688, 8006, 13454, 16012, 26908, 28021, 32024, 53816, 56042, 112084, 124093, 224168, 248186, 496372, 868651, 992744, 1737302, 3474604, 3846883, 6949208, 7693766, 15387532, 26928181, 30775064, 53856362, 107712724, 215425448]

約数ペア:

[(1, 215425448), (2, 107712724), (4, 53856362), (7, 30775064), (8, 26928181), (14, 15387532), (28, 7693766), (31, 6949208), (56, 3846883), (62, 3474604), (124, 1737302), (217, 992744), (248, 868651), (434, 496372), (868, 248186), (961, 224168), (1736, 124093), (1922, 112084), (3844, 56042), (4003, 53816), (6727, 32024), (7688, 28021), (8006, 26908), (13454, 16012)]