218361910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{4231}}^1$

素因数の和:4648

約数の個数: 32

約数和(自身を含む): 424452672

約数和(自身を除く): 206090762

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1985, 3970, 4231, 5161, 8462, 10322, 21155, 25805, 42310, 51610, 55003, 110006, 275015, 550030, 1679707, 3359414, 8398535, 16797070, 21836191, 43672382, 109180955, 218361910]

約数ペア:

[(1, 218361910), (2, 109180955), (5, 43672382), (10, 21836191), (13, 16797070), (26, 8398535), (65, 3359414), (130, 1679707), (397, 550030), (794, 275015), (1985, 110006), (3970, 55003), (4231, 51610), (5161, 42310), (8462, 25805), (10322, 21155)]