79787708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19927}}^1$

素因数の和:19962

約数の個数: 48

約数和(自身を含む): 187482624

約数和(自身を除く): 107694916

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 19927, 39854, 79708, 139489, 219197, 259051, 278978, 438394, 518102, 557956, 876788, 1036204, 1534379, 1813357, 2849561, 3068758, 3626714, 5699122, 6137516, 7253428, 11398244, 19946927, 39893854, 79787708]

約数ペア:

[(1, 79787708), (2, 39893854), (4, 19946927), (7, 11398244), (11, 7253428), (13, 6137516), (14, 5699122), (22, 3626714), (26, 3068758), (28, 2849561), (44, 1813357), (52, 1534379), (77, 1036204), (91, 876788), (143, 557956), (154, 518102), (182, 438394), (286, 278978), (308, 259051), (364, 219197), (572, 139489), (1001, 79708), (2002, 39854), (4004, 19927)]