280365239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{6883}}^1$

素因数の和:6947

約数の個数: 24

約数和(自身を含む): 365457792

約数和(自身を除く): 85092553

約数列:

[1, 7, 11, 23, 77, 161, 253, 529, 1771, 3703, 5819, 6883, 40733, 48181, 75713, 158309, 529991, 1108163, 1741399, 3641107, 12189793, 25487749, 40052177, 280365239]

約数ペア:

[(1, 280365239), (7, 40052177), (11, 25487749), (23, 12189793), (77, 3641107), (161, 1741399), (253, 1108163), (529, 529991), (1771, 158309), (3703, 75713), (5819, 48181), (6883, 40733)]