8243859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 12640320

約数和(自身を除く): 4396461

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 197, 377, 481, 591, 1073, 1131, 1443, 2561, 3219, 5713, 7289, 7683, 13949, 17139, 21867, 41847, 74269, 94757, 211381, 222807, 284271, 634143, 2747953, 8243859]

約数ペア:

[(1, 8243859), (3, 2747953), (13, 634143), (29, 284271), (37, 222807), (39, 211381), (87, 94757), (111, 74269), (197, 41847), (377, 21867), (481, 17139), (591, 13949), (1073, 7683), (1131, 7289), (1443, 5713), (2561, 3219)]