646139422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 1033845120

約数和(自身を除く): 387705698

約数列:

[1, 2, 19, 38, 131, 262, 293, 443, 586, 886, 2489, 4978, 5567, 8417, 11134, 16834, 38383, 58033, 76766, 116066, 129799, 259598, 729277, 1102627, 1458554, 2205254, 2466181, 4932362, 17003669, 34007338, 323069711, 646139422]

約数ペア:

[(1, 646139422), (2, 323069711), (19, 34007338), (38, 17003669), (131, 4932362), (262, 2466181), (293, 2205254), (443, 1458554), (586, 1102627), (886, 729277), (2489, 259598), (4978, 129799), (5567, 116066), (8417, 76766), (11134, 58033), (16834, 38383)]