638003710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{11839}}^1$

素因数の和:12180

約数の個数: 32

約数和(自身を含む): 1219898880

約数和(自身を除く): 581895170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 634, 1585, 3170, 5389, 10778, 11839, 23678, 26945, 53890, 59195, 118390, 201263, 402526, 1006315, 2012630, 3752963, 7505926, 18764815, 37529630, 63800371, 127600742, 319001855, 638003710]

約数ペア:

[(1, 638003710), (2, 319001855), (5, 127600742), (10, 63800371), (17, 37529630), (34, 18764815), (85, 7505926), (170, 3752963), (317, 2012630), (634, 1006315), (1585, 402526), (3170, 201263), (5389, 118390), (10778, 59195), (11839, 53890), (23678, 26945)]