25171168

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 30180128

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1663, 1892, 3326, 3784, 6652, 7568, 13304, 15136, 18293, 26608, 36586, 53216, 71509, 73172, 143018, 146344, 286036, 292688, 572072, 585376, 786599, 1144144, 1573198, 2288288, 3146396, 6292792, 12585584, 25171168]

約数ペア:

[(1, 25171168), (2, 12585584), (4, 6292792), (8, 3146396), (11, 2288288), (16, 1573198), (22, 1144144), (32, 786599), (43, 585376), (44, 572072), (86, 292688), (88, 286036), (172, 146344), (176, 143018), (344, 73172), (352, 71509), (473, 53216), (688, 36586), (946, 26608), (1376, 18293), (1663, 15136), (1892, 13304), (3326, 7568), (3784, 6652)]