64638988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2437}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 119462000

約数和(自身を除く): 54823012

約数列:

[1, 2, 4, 19, 38, 76, 349, 698, 1396, 2437, 4874, 6631, 9748, 13262, 26524, 46303, 92606, 185212, 850513, 1701026, 3402052, 16159747, 32319494, 64638988]

約数ペア:

[(1, 64638988), (2, 32319494), (4, 16159747), (19, 3402052), (38, 1701026), (76, 850513), (349, 185212), (698, 92606), (1396, 46303), (2437, 26524), (4874, 13262), (6631, 9748)]