199890654

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{3457}}^1$

素因数の和:3904

約数の個数: 32

約数和(自身を含む): 418279680

約数和(自身を除く): 218389026

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 419, 838, 1257, 2514, 3457, 6914, 9637, 10371, 19274, 20742, 28911, 57822, 79511, 159022, 238533, 477066, 1448483, 2896966, 4345449, 8690898, 33315109, 66630218, 99945327, 199890654]

約数ペア:

[(1, 199890654), (2, 99945327), (3, 66630218), (6, 33315109), (23, 8690898), (46, 4345449), (69, 2896966), (138, 1448483), (419, 477066), (838, 238533), (1257, 159022), (2514, 79511), (3457, 57822), (6914, 28911), (9637, 20742), (10371, 19274)]