1213231780

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{98317}}^1$

素因数の和:98943

約数の個数: 24

約数和(自身を含む): 2551942008

約数和(自身を除く): 1338710228

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 98317, 196634, 393268, 491585, 983170, 1966340, 60661589, 121323178, 242646356, 303307945, 606615890, 1213231780]

約数ペア:

[(1, 1213231780), (2, 606615890), (4, 303307945), (5, 242646356), (10, 121323178), (20, 60661589), (617, 1966340), (1234, 983170), (2468, 491585), (3085, 393268), (6170, 196634), (12340, 98317)]