199896473

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 253808640

約数和(自身を除く): 53912167

約数列:

[1, 7, 19, 23, 101, 133, 161, 437, 647, 707, 1919, 2323, 3059, 4529, 12293, 13433, 14881, 16261, 44137, 65347, 86051, 104167, 282739, 308959, 457429, 1241593, 1502981, 1979173, 8691151, 10520867, 28556639, 199896473]

約数ペア:

[(1, 199896473), (7, 28556639), (19, 10520867), (23, 8691151), (101, 1979173), (133, 1502981), (161, 1241593), (437, 457429), (647, 308959), (707, 282739), (1919, 104167), (2323, 86051), (3059, 65347), (4529, 44137), (12293, 16261), (13433, 14881)]