15691732777

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1\times {\mathrm{643}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 18353979392

約数和(自身を除く): 2662246615

約数列:

[1, 7, 97, 127, 283, 643, 679, 889, 1981, 4501, 12319, 27451, 35941, 62371, 81661, 86233, 181969, 192157, 251587, 436597, 571627, 1273783, 3486277, 7921117, 17650993, 23110063, 24403939, 55447819, 123556951, 161770441, 2241676111, 15691732777]

約数ペア:

[(1, 15691732777), (7, 2241676111), (97, 161770441), (127, 123556951), (283, 55447819), (643, 24403939), (679, 23110063), (889, 17650993), (1981, 7921117), (4501, 3486277), (12319, 1273783), (27451, 571627), (35941, 436597), (62371, 251587), (81661, 192157), (86233, 181969)]