81691372

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36931}}^1$

素因数の和:37021

約数の個数: 24

約数和(自身を含む): 165455360

約数和(自身を除く): 83763988

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36931, 73862, 147724, 258517, 517034, 1034068, 2917549, 5835098, 11670196, 20422843, 40845686, 81691372]

約数ペア:

[(1, 81691372), (2, 40845686), (4, 20422843), (7, 11670196), (14, 5835098), (28, 2917549), (79, 1034068), (158, 517034), (316, 258517), (553, 147724), (1106, 73862), (2212, 36931)]