28495090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1297}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 55606320

約数和(自身を除く): 27111230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1297, 1690, 2197, 2594, 4394, 6485, 10985, 12970, 16861, 21970, 33722, 84305, 168610, 219193, 438386, 1095965, 2191930, 2849509, 5699018, 14247545, 28495090]

約数ペア:

[(1, 28495090), (2, 14247545), (5, 5699018), (10, 2849509), (13, 2191930), (26, 1095965), (65, 438386), (130, 219193), (169, 168610), (338, 84305), (845, 33722), (1297, 21970), (1690, 16861), (2197, 12970), (2594, 10985), (4394, 6485)]