643431474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{164729}}^1$

素因数の和:164775

約数の個数: 48

約数和(自身を含む): 1644664320

約数和(自身を除く): 1001232846

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 164729, 329458, 494187, 988374, 1153103, 1482561, 2306206, 2965122, 3459309, 5106599, 6918618, 10213198, 10377927, 15319797, 20755854, 30639594, 35746193, 45959391, 71492386, 91918782, 107238579, 214477158, 321715737, 643431474]

約数ペア:

[(1, 643431474), (2, 321715737), (3, 214477158), (6, 107238579), (7, 91918782), (9, 71492386), (14, 45959391), (18, 35746193), (21, 30639594), (31, 20755854), (42, 15319797), (62, 10377927), (63, 10213198), (93, 6918618), (126, 5106599), (186, 3459309), (217, 2965122), (279, 2306206), (434, 1482561), (558, 1153103), (651, 988374), (1302, 494187), (1953, 329458), (3906, 164729)]