197980456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{6173}}^1$

素因数の和:6409

約数の個数: 32

約数和(自身を含む): 392666400

約数和(自身を除く): 194685944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 844, 1688, 4009, 6173, 8018, 12346, 16036, 24692, 32072, 49384, 117287, 234574, 469148, 938296, 1302503, 2605006, 5210012, 10420024, 24747557, 49495114, 98990228, 197980456]

約数ペア:

[(1, 197980456), (2, 98990228), (4, 49495114), (8, 24747557), (19, 10420024), (38, 5210012), (76, 2605006), (152, 1302503), (211, 938296), (422, 469148), (844, 234574), (1688, 117287), (4009, 49384), (6173, 32072), (8018, 24692), (12346, 16036)]