73431865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 102654720

約数和(自身を除く): 29222855

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1235, 1607, 2405, 3515, 8035, 9139, 20891, 30533, 45695, 59459, 104455, 152665, 297295, 396929, 772967, 1129721, 1984645, 3864835, 5648605, 14686373, 73431865]

約数ペア:

[(1, 73431865), (5, 14686373), (13, 5648605), (19, 3864835), (37, 1984645), (65, 1129721), (95, 772967), (185, 396929), (247, 297295), (481, 152665), (703, 104455), (1235, 59459), (1607, 45695), (2405, 30533), (3515, 20891), (8035, 9139)]