1209931255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{1637}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 1594966464

約数和(自身を除く): 385035209

約数列:

[1, 5, 13, 65, 83, 137, 415, 685, 1079, 1637, 1781, 5395, 8185, 8905, 11371, 21281, 56855, 106405, 135871, 147823, 224269, 679355, 739115, 1121345, 1766323, 2915497, 8831615, 14577485, 18614327, 93071635, 241986251, 1209931255]

約数ペア:

[(1, 1209931255), (5, 241986251), (13, 93071635), (65, 18614327), (83, 14577485), (137, 8831615), (415, 2915497), (685, 1766323), (1079, 1121345), (1637, 739115), (1781, 679355), (5395, 224269), (8185, 147823), (8905, 135871), (11371, 106405), (21281, 56855)]