328888970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{17749}}^1$

素因数の和:17882

約数の個数: 32

約数和(自身を含む): 632610000

約数和(自身を除く): 303721030

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 17749, 18530, 35498, 88745, 177490, 301733, 603466, 1508665, 1934641, 3017330, 3869282, 9673205, 19346410, 32888897, 65777794, 164444485, 328888970]

約数ペア:

[(1, 328888970), (2, 164444485), (5, 65777794), (10, 32888897), (17, 19346410), (34, 9673205), (85, 3869282), (109, 3017330), (170, 1934641), (218, 1508665), (545, 603466), (1090, 301733), (1853, 177490), (3706, 88745), (9265, 35498), (17749, 18530)]