198136655

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{3541}}^1$

素因数の和:3615

約数の個数: 24

約数和(自身を含む): 259104384

約数和(自身を除く): 60967729

約数列:

[1, 5, 19, 31, 95, 155, 361, 589, 1805, 2945, 3541, 11191, 17705, 55955, 67279, 109771, 336395, 548855, 1278301, 2085649, 6391505, 10428245, 39627331, 198136655]

約数ペア:

[(1, 198136655), (5, 39627331), (19, 10428245), (31, 6391505), (95, 2085649), (155, 1278301), (361, 548855), (589, 336395), (1805, 109771), (2945, 67279), (3541, 55955), (11191, 17705)]