199344887

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2239}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 245145600

約数和(自身を除く): 45800713

約数列:

[1, 7, 23, 49, 79, 161, 553, 1127, 1817, 2239, 3871, 12719, 15673, 51497, 89033, 109711, 176881, 360479, 1238167, 2523353, 4068263, 8667169, 28477841, 199344887]

約数ペア:

[(1, 199344887), (7, 28477841), (23, 8667169), (49, 4068263), (79, 2523353), (161, 1238167), (553, 360479), (1127, 176881), (1817, 109711), (2239, 89033), (3871, 51497), (12719, 15673)]