209657888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8389}}^1$

素因数の和:8481

約数の個数: 48

約数和(自身を含む): 456684480

約数和(自身を除く): 247026592

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 1136, 1562, 2272, 3124, 6248, 8389, 12496, 16778, 24992, 33556, 67112, 92279, 134224, 184558, 268448, 369116, 595619, 738232, 1191238, 1476464, 2382476, 2952928, 4764952, 6551809, 9529904, 13103618, 19059808, 26207236, 52414472, 104828944, 209657888]

約数ペア:

[(1, 209657888), (2, 104828944), (4, 52414472), (8, 26207236), (11, 19059808), (16, 13103618), (22, 9529904), (32, 6551809), (44, 4764952), (71, 2952928), (88, 2382476), (142, 1476464), (176, 1191238), (284, 738232), (352, 595619), (568, 369116), (781, 268448), (1136, 184558), (1562, 134224), (2272, 92279), (3124, 67112), (6248, 33556), (8389, 24992), (12496, 16778)]