16078909

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 21307968

約数和(自身を除く): 5229059

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1297, 1771, 9079, 12397, 14267, 29831, 63553, 99869, 208817, 328141, 699083, 1461719, 2296987, 16078909]

約数ペア:

[(1, 16078909), (7, 2296987), (11, 1461719), (23, 699083), (49, 328141), (77, 208817), (161, 99869), (253, 63553), (539, 29831), (1127, 14267), (1297, 12397), (1771, 9079)]