199535152

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{140123}}^1$

素因数の和:140220

約数の個数: 20

約数和(自身を含む): 390945960

約数和(自身を除く): 191410808

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 140123, 280246, 560492, 1120984, 2241968, 12470947, 24941894, 49883788, 99767576, 199535152]

約数ペア:

[(1, 199535152), (2, 99767576), (4, 49883788), (8, 24941894), (16, 12470947), (89, 2241968), (178, 1120984), (356, 560492), (712, 280246), (1424, 140123)]