161856167

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 194529600

約数和(自身を除く): 32673433

約数列:

[1, 11, 17, 37, 149, 157, 187, 407, 629, 1639, 1727, 2533, 2669, 5513, 5809, 6919, 23393, 27863, 29359, 60643, 63899, 93721, 98753, 257323, 397681, 865541, 1030931, 1086283, 4374491, 9520951, 14714197, 161856167]

約数ペア:

[(1, 161856167), (11, 14714197), (17, 9520951), (37, 4374491), (149, 1086283), (157, 1030931), (187, 865541), (407, 397681), (629, 257323), (1639, 98753), (1727, 93721), (2533, 63899), (2669, 60643), (5513, 29359), (5809, 27863), (6919, 23393)]