78838501

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 95931000

約数和(自身を除く): 17092499

約数列:

[1, 7, 29, 49, 109, 203, 509, 763, 1421, 3161, 3563, 5341, 14761, 22127, 24941, 55481, 103327, 154889, 388367, 723289, 1608949, 2718569, 11262643, 78838501]

約数ペア:

[(1, 78838501), (7, 11262643), (29, 2718569), (49, 1608949), (109, 723289), (203, 388367), (509, 154889), (763, 103327), (1421, 55481), (3161, 24941), (3563, 22127), (5341, 14761)]