664442191

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{3517}}^1$

素因数の和:3858

約数の個数: 16

約数和(自身を含む): 769006656

約数和(自身を除く): 104564465

約数列:

[1, 7, 137, 197, 959, 1379, 3517, 24619, 26989, 188923, 481829, 692849, 3372803, 4849943, 94920313, 664442191]

約数ペア:

[(1, 664442191), (7, 94920313), (137, 4849943), (197, 3372803), (959, 692849), (1379, 481829), (3517, 188923), (24619, 26989)]