1978892377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{1811}}^1$

素因数の和:2469

約数の個数: 32

約数和(自身を含む): 2580056064

約数和(自身を除く): 601163687

約数列:

[1, 7, 11, 23, 77, 161, 253, 617, 1771, 1811, 4319, 6787, 12677, 14191, 19921, 41653, 47509, 99337, 139447, 156101, 291571, 458183, 1092707, 1117387, 3207281, 7821709, 12291257, 25699901, 86038799, 179899307, 282698911, 1978892377]

約数ペア:

[(1, 1978892377), (7, 282698911), (11, 179899307), (23, 86038799), (77, 25699901), (161, 12291257), (253, 7821709), (617, 3207281), (1771, 1117387), (1811, 1092707), (4319, 458183), (6787, 291571), (12677, 156101), (14191, 139447), (19921, 99337), (41653, 47509)]