212507821

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 225699840

約数和(自身を除く): 13192019

約数列:

[1, 31, 47, 157, 929, 1457, 4867, 7379, 28799, 43663, 145853, 228749, 1353553, 4521443, 6855091, 212507821]

約数ペア:

[(1, 212507821), (31, 6855091), (47, 4521443), (157, 1353553), (929, 228749), (1457, 145853), (4867, 43663), (7379, 28799)]