81806296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 184504320

約数和(自身を除く): 102698024

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 473, 559, 572, 946, 1118, 1144, 1663, 1892, 2236, 3326, 3784, 4472, 6149, 6652, 12298, 13304, 18293, 21619, 24596, 36586, 43238, 49192, 71509, 73172, 86476, 143018, 146344, 172952, 237809, 286036, 475618, 572072, 786599, 929617, 951236, 1573198, 1859234, 1902472, 3146396, 3718468, 6292792, 7436936, 10225787, 20451574, 40903148, 81806296]

約数ペア:

[(1, 81806296), (2, 40903148), (4, 20451574), (8, 10225787), (11, 7436936), (13, 6292792), (22, 3718468), (26, 3146396), (43, 1902472), (44, 1859234), (52, 1573198), (86, 951236), (88, 929617), (104, 786599), (143, 572072), (172, 475618), (286, 286036), (344, 237809), (473, 172952), (559, 146344), (572, 143018), (946, 86476), (1118, 73172), (1144, 71509), (1663, 49192), (1892, 43238), (2236, 36586), (3326, 24596), (3784, 21619), (4472, 18293), (6149, 13304), (6652, 12298)]