778897132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{20269}}^1$

素因数の和:21025

約数の個数: 24

約数和(自身を含む): 1469980400

約数和(自身を除く): 691083268

約数列:

[1, 2, 4, 13, 26, 52, 739, 1478, 2956, 9607, 19214, 20269, 38428, 40538, 81076, 263497, 526994, 1053988, 14978791, 29957582, 59915164, 194724283, 389448566, 778897132]

約数ペア:

[(1, 778897132), (2, 389448566), (4, 194724283), (13, 59915164), (26, 29957582), (52, 14978791), (739, 1053988), (1478, 526994), (2956, 263497), (9607, 81076), (19214, 40538), (20269, 38428)]