2191930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1297}}^1$

素因数の和:1330

約数の個数: 24

約数和(自身を含む): 4275612

約数和(自身を除く): 2083682

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1297, 1690, 2594, 6485, 12970, 16861, 33722, 84305, 168610, 219193, 438386, 1095965, 2191930]

約数ペア:

[(1, 2191930), (2, 1095965), (5, 438386), (10, 219193), (13, 168610), (26, 84305), (65, 33722), (130, 16861), (169, 12970), (338, 6485), (845, 2594), (1297, 1690)]