81815695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{34019}}^1$

素因数の和:34074

約数の個数: 16

約数和(自身を含む): 108591840

約数和(自身を除く): 26776145

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 34019, 170095, 442247, 1258703, 2211235, 6293515, 16363139, 81815695]

約数ペア:

[(1, 81815695), (5, 16363139), (13, 6293515), (37, 2211235), (65, 1258703), (185, 442247), (481, 170095), (2405, 34019)]