1855908678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{643073}}^1$

素因数の和:643128

約数の個数: 32

約数和(自身を含む): 4105384416

約数和(自身を除く): 2249475738

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 643073, 1286146, 1929219, 3858438, 8359949, 16719898, 23793701, 25079847, 47587402, 50159694, 71381103, 142762206, 309318113, 618636226, 927954339, 1855908678]

約数ペア:

[(1, 1855908678), (2, 927954339), (3, 618636226), (6, 309318113), (13, 142762206), (26, 71381103), (37, 50159694), (39, 47587402), (74, 25079847), (78, 23793701), (111, 16719898), (222, 8359949), (481, 3858438), (962, 1929219), (1443, 1286146), (2886, 643073)]