81528016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164371}}^1$

素因数の和:164410

約数の個数: 20

約数和(自身を含む): 163057024

約数和(自身を除く): 81529008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164371, 328742, 657484, 1314968, 2629936, 5095501, 10191002, 20382004, 40764008, 81528016]

約数ペア:

[(1, 81528016), (2, 40764008), (4, 20382004), (8, 10191002), (16, 5095501), (31, 2629936), (62, 1314968), (124, 657484), (248, 328742), (496, 164371)]