390080735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8681}}^1$

素因数の和:8759

約数の個数: 32

約数和(自身を含む): 550091520

約数和(自身を除く): 160010785

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 817, 1045, 2365, 4085, 8681, 8987, 43405, 44935, 95491, 164939, 373283, 477455, 824695, 1814329, 1866415, 4106113, 7092377, 9071645, 20530565, 35461885, 78016147, 390080735]

約数ペア:

[(1, 390080735), (5, 78016147), (11, 35461885), (19, 20530565), (43, 9071645), (55, 7092377), (95, 4106113), (209, 1866415), (215, 1814329), (473, 824695), (817, 477455), (1045, 373283), (2365, 164939), (4085, 95491), (8681, 44935), (8987, 43405)]