997964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 1959888

約数和(自身を除く): 961924

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 613, 814, 1226, 1628, 2452, 6743, 13486, 22681, 26972, 45362, 90724, 249491, 498982, 997964]

約数ペア:

[(1, 997964), (2, 498982), (4, 249491), (11, 90724), (22, 45362), (37, 26972), (44, 22681), (74, 13486), (148, 6743), (407, 2452), (613, 1628), (814, 1226)]