81219776

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2683}}^1$

素因数の和:2749

約数の個数: 56

約数和(自身を含む): 179978304

約数和(自身を除く): 98758528

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 688, 704, 946, 1376, 1892, 2683, 2752, 3784, 5366, 7568, 10732, 15136, 21464, 29513, 30272, 42928, 59026, 85856, 115369, 118052, 171712, 230738, 236104, 461476, 472208, 922952, 944416, 1269059, 1845904, 1888832, 2538118, 3691808, 5076236, 7383616, 10152472, 20304944, 40609888, 81219776]

約数ペア:

[(1, 81219776), (2, 40609888), (4, 20304944), (8, 10152472), (11, 7383616), (16, 5076236), (22, 3691808), (32, 2538118), (43, 1888832), (44, 1845904), (64, 1269059), (86, 944416), (88, 922952), (172, 472208), (176, 461476), (344, 236104), (352, 230738), (473, 171712), (688, 118052), (704, 115369), (946, 85856), (1376, 59026), (1892, 42928), (2683, 30272), (2752, 29513), (3784, 21464), (5366, 15136), (7568, 10732)]