81845426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3930

約数の個数: 32

約数和(自身を含む): 142443840

約数和(自身を除く): 60598414

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 3853, 7706, 10621, 21242, 50089, 73207, 100178, 146414, 165679, 331358, 951691, 1903382, 2153827, 3147901, 4307654, 6295802, 40922713, 81845426]

約数ペア:

[(1, 81845426), (2, 40922713), (13, 6295802), (19, 4307654), (26, 3147901), (38, 2153827), (43, 1903382), (86, 951691), (247, 331358), (494, 165679), (559, 146414), (817, 100178), (1118, 73207), (1634, 50089), (3853, 21242), (7706, 10621)]