2019901009

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{48817}}^1$

素因数の和:49104

約数の個数: 16

約数和(自身を含む): 2418248448

約数和(自身を除く): 398347439

約数列:

[1, 7, 23, 161, 257, 1799, 5911, 41377, 48817, 341719, 1122791, 7859537, 12545969, 87821783, 288557287, 2019901009]

約数ペア:

[(1, 2019901009), (7, 288557287), (23, 87821783), (161, 12545969), (257, 7859537), (1799, 1122791), (5911, 341719), (41377, 48817)]