12291955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 17236800

約数和(自身を除く): 4944845

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 269, 481, 703, 1235, 1345, 2405, 3497, 3515, 5111, 9139, 9953, 17485, 25555, 45695, 49765, 66443, 129389, 189107, 332215, 646945, 945535, 2458391, 12291955]

約数ペア:

[(1, 12291955), (5, 2458391), (13, 945535), (19, 646945), (37, 332215), (65, 189107), (95, 129389), (185, 66443), (247, 49765), (269, 45695), (481, 25555), (703, 17485), (1235, 9953), (1345, 9139), (2405, 5111), (3497, 3515)]