164021186

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19891}}^1$

素因数の和:19950

約数の個数: 32

約数和(自身を含む): 305541120

約数和(自身を除く): 141519934

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 19891, 39782, 139237, 278474, 377929, 616621, 755858, 1233242, 2645503, 4316347, 5291006, 8632694, 11715799, 23431598, 82010593, 164021186]

約数ペア:

[(1, 164021186), (2, 82010593), (7, 23431598), (14, 11715799), (19, 8632694), (31, 5291006), (38, 4316347), (62, 2645503), (133, 1233242), (217, 755858), (266, 616621), (434, 377929), (589, 278474), (1178, 139237), (4123, 39782), (8246, 19891)]