778880990

素因数分解:

$2^1\times 5^1\times {\mathrm{13691}}^1\times {\mathrm{5689}}^1$

素因数の和:19387

約数の個数: 16

約数和(自身を含む): 1402334640

約数和(自身を除く): 623453650

約数列:

[1, 2, 5, 10, 5689, 11378, 13691, 27382, 28445, 56890, 68455, 136910, 77888099, 155776198, 389440495, 778880990]

約数ペア:

[(1, 778880990), (2, 389440495), (5, 155776198), (10, 77888099), (5689, 136910), (11378, 68455), (13691, 56890), (27382, 28445)]