1648293845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{1997}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 2215382400

約数和(自身を除く): 567088555

約数列:

[1, 5, 11, 43, 55, 215, 349, 473, 1745, 1997, 2365, 3839, 9985, 15007, 19195, 21967, 75035, 85871, 109835, 165077, 429355, 696953, 825385, 944581, 3484765, 4722905, 7666483, 29968979, 38332415, 149844895, 329658769, 1648293845]

約数ペア:

[(1, 1648293845), (5, 329658769), (11, 149844895), (43, 38332415), (55, 29968979), (215, 7666483), (349, 4722905), (473, 3484765), (1745, 944581), (1997, 825385), (2365, 696953), (3839, 429355), (9985, 165077), (15007, 109835), (19195, 85871), (21967, 75035)]