81325590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{16631}}^1$

素因数の和:16804

約数の個数: 32

約数和(自身を含む): 196390656

約数和(自身を除く): 115065066

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4890, 16631, 33262, 49893, 83155, 99786, 166310, 249465, 498930, 2710853, 5421706, 8132559, 13554265, 16265118, 27108530, 40662795, 81325590]

約数ペア:

[(1, 81325590), (2, 40662795), (3, 27108530), (5, 16265118), (6, 13554265), (10, 8132559), (15, 5421706), (30, 2710853), (163, 498930), (326, 249465), (489, 166310), (815, 99786), (978, 83155), (1630, 49893), (2445, 33262), (4890, 16631)]