280991207

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{6791}}^1$

素因数の和:7078

約数の個数: 16

約数和(自身を含む): 336448512

約数和(自身を除く): 55457305

約数列:

[1, 7, 23, 161, 257, 1799, 5911, 6791, 41377, 47537, 156193, 1093351, 1745287, 12217009, 40141601, 280991207]

約数ペア:

[(1, 280991207), (7, 40141601), (23, 12217009), (161, 1745287), (257, 1093351), (1799, 156193), (5911, 47537), (6791, 41377)]