81027952

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{31069}}^1$

素因数の和:31240

約数の個数: 20

約数和(自身を含む): 157959880

約数和(自身を除く): 76931928

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 31069, 62138, 124276, 248552, 497104, 5064247, 10128494, 20256988, 40513976, 81027952]

約数ペア:

[(1, 81027952), (2, 40513976), (4, 20256988), (8, 10128494), (16, 5064247), (163, 497104), (326, 248552), (652, 124276), (1304, 62138), (2608, 31069)]