78576978

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1327}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 160634880

約数和(自身を除く): 82057902

約数列:

[1, 2, 3, 6, 71, 139, 142, 213, 278, 417, 426, 834, 1327, 2654, 3981, 7962, 9869, 19738, 29607, 59214, 94217, 184453, 188434, 282651, 368906, 553359, 565302, 1106718, 13096163, 26192326, 39288489, 78576978]

約数ペア:

[(1, 78576978), (2, 39288489), (3, 26192326), (6, 13096163), (71, 1106718), (139, 565302), (142, 553359), (213, 368906), (278, 282651), (417, 188434), (426, 184453), (834, 94217), (1327, 59214), (2654, 29607), (3981, 19738), (7962, 9869)]