721384630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4243439}}^1$

素因数の和:4243463

約数の個数: 16

約数和(自身を含む): 1374874560

約数和(自身を除く): 653489930

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 4243439, 8486878, 21217195, 42434390, 72138463, 144276926, 360692315, 721384630]

約数ペア:

[(1, 721384630), (2, 360692315), (5, 144276926), (10, 72138463), (17, 42434390), (34, 21217195), (85, 8486878), (170, 4243439)]