81112843

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 102435840

約数和(自身を除く): 21322997

約数列:

[1, 7, 19, 37, 53, 133, 259, 311, 371, 703, 1007, 1961, 2177, 4921, 5909, 7049, 11507, 13727, 16483, 37259, 41363, 80549, 115381, 218633, 260813, 313177, 609871, 1530431, 2192239, 4269097, 11587549, 81112843]

約数ペア:

[(1, 81112843), (7, 11587549), (19, 4269097), (37, 2192239), (53, 1530431), (133, 609871), (259, 313177), (311, 260813), (371, 218633), (703, 115381), (1007, 80549), (1961, 41363), (2177, 37259), (4921, 16483), (5909, 13727), (7049, 11507)]