78876868

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{13877}}^1$

素因数の和:13924

約数の個数: 36

約数和(自身を含む): 166119660

約数和(自身を除く): 87242792

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 13877, 27754, 55508, 97139, 194278, 388556, 402433, 679973, 804866, 1359946, 1609732, 2719892, 2817031, 5634062, 11268124, 19719217, 39438434, 78876868]

約数ペア:

[(1, 78876868), (2, 39438434), (4, 19719217), (7, 11268124), (14, 5634062), (28, 2817031), (29, 2719892), (49, 1609732), (58, 1359946), (98, 804866), (116, 679973), (196, 402433), (203, 388556), (406, 194278), (812, 97139), (1421, 55508), (2842, 27754), (5684, 13877)]