8020859

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 10637568

約数和(自身を除く): 2616709

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 647, 1127, 1771, 4529, 7117, 12397, 14881, 31703, 49819, 104167, 163691, 348733, 729169, 1145837, 8020859]

約数ペア:

[(1, 8020859), (7, 1145837), (11, 729169), (23, 348733), (49, 163691), (77, 104167), (161, 49819), (253, 31703), (539, 14881), (647, 12397), (1127, 7117), (1771, 4529)]