1689900919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{198043}}^1$

素因数の和:198126

約数の個数: 16

約数和(自身を含む): 2053320192

約数和(自身を除く): 363419273

約数列:

[1, 7, 23, 53, 161, 371, 1219, 8533, 198043, 1386301, 4554989, 10496279, 31884923, 73473953, 241414417, 1689900919]

約数ペア:

[(1, 1689900919), (7, 241414417), (23, 73473953), (53, 31884923), (161, 10496279), (371, 4554989), (1219, 1386301), (8533, 198043)]