128907422

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103457}}^1$

素因数の和:103555

約数の個数: 16

約数和(自身を含む): 223469280

約数和(自身を除く): 94561858

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 103457, 206914, 724199, 1448398, 9207673, 18415346, 64453711, 128907422]

約数ペア:

[(1, 128907422), (2, 64453711), (7, 18415346), (14, 9207673), (89, 1448398), (178, 724199), (623, 206914), (1246, 103457)]