2100181505

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{77369}}^1$

素因数の和:77524

約数の個数: 16

約数和(自身を含む): 2590347600

約数和(自身を除く): 490166095

約数列:

[1, 5, 61, 89, 305, 445, 5429, 27145, 77369, 386845, 4719509, 6885841, 23597545, 34429205, 420036301, 2100181505]

約数ペア:

[(1, 2100181505), (5, 420036301), (61, 34429205), (89, 23597545), (305, 6885841), (445, 4719509), (5429, 386845), (27145, 77369)]