163220735

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 213457536

約数和(自身を除く): 50236801

約数列:

[1, 5, 19, 31, 95, 155, 361, 589, 1805, 2917, 2945, 11191, 14585, 55423, 55955, 90427, 277115, 452135, 1053037, 1718113, 5265185, 8590565, 32644147, 163220735]

約数ペア:

[(1, 163220735), (5, 32644147), (19, 8590565), (31, 5265185), (95, 1718113), (155, 1053037), (361, 452135), (589, 277115), (1805, 90427), (2917, 55955), (2945, 55423), (11191, 14585)]