1581788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 3139920

約数和(自身を除く): 1558132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1601, 3202, 6404, 20813, 30419, 41626, 60838, 83252, 121676, 395447, 790894, 1581788]

約数ペア:

[(1, 1581788), (2, 790894), (4, 395447), (13, 121676), (19, 83252), (26, 60838), (38, 41626), (52, 30419), (76, 20813), (247, 6404), (494, 3202), (988, 1601)]