78132131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1583}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 97625088

約数和(自身を除く): 19492957

約数列:

[1, 7, 11, 77, 641, 1583, 4487, 7051, 11081, 17413, 49357, 121891, 1014703, 7102921, 11161733, 78132131]

約数ペア:

[(1, 78132131), (7, 11161733), (11, 7102921), (77, 1014703), (641, 121891), (1583, 49357), (4487, 17413), (7051, 11081)]