243721010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{110281}}^1$

素因数の和:110318

約数の個数: 32

約数和(自身を含む): 500239152

約数和(自身を除く): 256518142

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 110281, 220562, 551405, 1102810, 1433653, 1874777, 2867306, 3749554, 7168265, 9373885, 14336530, 18747770, 24372101, 48744202, 121860505, 243721010]

約数ペア:

[(1, 243721010), (2, 121860505), (5, 48744202), (10, 24372101), (13, 18747770), (17, 14336530), (26, 9373885), (34, 7168265), (65, 3749554), (85, 2867306), (130, 1874777), (170, 1433653), (221, 1102810), (442, 551405), (1105, 220562), (2210, 110281)]