219311408

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{79231}}^1$

素因数の和:79412

約数の個数: 20

約数和(自身を含む): 427377408

約数和(自身を除く): 208066000

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 79231, 158462, 316924, 633848, 1267696, 13706963, 27413926, 54827852, 109655704, 219311408]

約数ペア:

[(1, 219311408), (2, 109655704), (4, 54827852), (8, 27413926), (16, 13706963), (173, 1267696), (346, 633848), (692, 316924), (1384, 158462), (2768, 79231)]