320631246

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1370219}}^1$

素因数の和:1370240

約数の個数: 24

約数和(自身を含む): 748140120

約数和(自身を除く): 427508874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1370219, 2740438, 4110657, 8221314, 12331971, 17812847, 24663942, 35625694, 53438541, 106877082, 160315623, 320631246]

約数ペア:

[(1, 320631246), (2, 160315623), (3, 106877082), (6, 53438541), (9, 35625694), (13, 24663942), (18, 17812847), (26, 12331971), (39, 8221314), (78, 4110657), (117, 2740438), (234, 1370219)]