78919988

素因数分解:

$2^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{1531}}^1$

素因数の和:1812

約数の個数: 36

約数和(自身を含む): 161374752

約数和(自身を除く): 82454764

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 263, 526, 1052, 1531, 1841, 3062, 3682, 6124, 7364, 10717, 12887, 21434, 25774, 42868, 51548, 75019, 150038, 300076, 402653, 805306, 1610612, 2818571, 5637142, 11274284, 19729997, 39459994, 78919988]

約数ペア:

[(1, 78919988), (2, 39459994), (4, 19729997), (7, 11274284), (14, 5637142), (28, 2818571), (49, 1610612), (98, 805306), (196, 402653), (263, 300076), (526, 150038), (1052, 75019), (1531, 51548), (1841, 42868), (3062, 25774), (3682, 21434), (6124, 12887), (7364, 10717)]