87391730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1171}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 167080320

約数和(自身を除く): 79688590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 1171, 2195, 2342, 4390, 5855, 7463, 11710, 14926, 19907, 37315, 39814, 74630, 99535, 199070, 514069, 1028138, 2570345, 5140690, 8739173, 17478346, 43695865, 87391730]

約数ペア:

[(1, 87391730), (2, 43695865), (5, 17478346), (10, 8739173), (17, 5140690), (34, 2570345), (85, 1028138), (170, 514069), (439, 199070), (878, 99535), (1171, 74630), (2195, 39814), (2342, 37315), (4390, 19907), (5855, 14926), (7463, 11710)]