87971516

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4205

約数の個数: 24

約数和(自身を含む): 158271120

約数和(自身を除く): 70299604

約数列:

[1, 2, 4, 61, 89, 122, 178, 244, 356, 4051, 5429, 8102, 10858, 16204, 21716, 247111, 360539, 494222, 721078, 988444, 1442156, 21992879, 43985758, 87971516]

約数ペア:

[(1, 87971516), (2, 43985758), (4, 21992879), (61, 1442156), (89, 988444), (122, 721078), (178, 494222), (244, 360539), (356, 247111), (4051, 21716), (5429, 16204), (8102, 10858)]