198813906

素因数分解:

$2^1\times 3^3\times {\mathrm{211}}^1\times {\mathrm{17449}}^1$

素因数の和:17671

約数の個数: 32

約数和(自身を含む): 443928000

約数和(自身を除く): 245114094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 211, 422, 633, 1266, 1899, 3798, 5697, 11394, 17449, 34898, 52347, 104694, 157041, 314082, 471123, 942246, 3681739, 7363478, 11045217, 22090434, 33135651, 66271302, 99406953, 198813906]

約数ペア:

[(1, 198813906), (2, 99406953), (3, 66271302), (6, 33135651), (9, 22090434), (18, 11045217), (27, 7363478), (54, 3681739), (211, 942246), (422, 471123), (633, 314082), (1266, 157041), (1899, 104694), (3798, 52347), (5697, 34898), (11394, 17449)]