128973944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{4349}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 264654000

約数和(自身を除く): 135680056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 337, 674, 1348, 2696, 3707, 4349, 7414, 8698, 14828, 17396, 29656, 34792, 47839, 95678, 191356, 382712, 1465613, 2931226, 5862452, 11724904, 16121743, 32243486, 64486972, 128973944]

約数ペア:

[(1, 128973944), (2, 64486972), (4, 32243486), (8, 16121743), (11, 11724904), (22, 5862452), (44, 2931226), (88, 1465613), (337, 382712), (674, 191356), (1348, 95678), (2696, 47839), (3707, 34792), (4349, 29656), (7414, 17396), (8698, 14828)]