661001764

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{641}}^1\times {\mathrm{3631}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 1175198976

約数和(自身を除く): 514197212

約数列:

[1, 2, 4, 71, 142, 284, 641, 1282, 2564, 3631, 7262, 14524, 45511, 91022, 182044, 257801, 515602, 1031204, 2327471, 4654942, 9309884, 165250441, 330500882, 661001764]

約数ペア:

[(1, 661001764), (2, 330500882), (4, 165250441), (71, 9309884), (142, 4654942), (284, 2327471), (641, 1031204), (1282, 515602), (2564, 257801), (3631, 182044), (7262, 91022), (14524, 45511)]