25528804

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 28903196

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 644, 686, 809, 1127, 1372, 1618, 2254, 3236, 4508, 5663, 7889, 11326, 15778, 18607, 22652, 31556, 37214, 39641, 74428, 79282, 130249, 158564, 260498, 277487, 520996, 554974, 911743, 1109948, 1823486, 3646972, 6382201, 12764402, 25528804]

約数ペア:

[(1, 25528804), (2, 12764402), (4, 6382201), (7, 3646972), (14, 1823486), (23, 1109948), (28, 911743), (46, 554974), (49, 520996), (92, 277487), (98, 260498), (161, 158564), (196, 130249), (322, 79282), (343, 74428), (644, 39641), (686, 37214), (809, 31556), (1127, 22652), (1372, 18607), (1618, 15778), (2254, 11326), (3236, 7889), (4508, 5663)]