207979306

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 327680640

約数和(自身を除く): 119701334

約数列:

[1, 2, 41, 71, 82, 139, 142, 257, 278, 514, 2911, 5699, 5822, 9869, 10537, 11398, 18247, 19738, 21074, 35723, 36494, 71446, 404629, 748127, 809258, 1464643, 1496254, 2536333, 2929286, 5072666, 103989653, 207979306]

約数ペア:

[(1, 207979306), (2, 103989653), (41, 5072666), (71, 2929286), (82, 2536333), (139, 1496254), (142, 1464643), (257, 809258), (278, 748127), (514, 404629), (2911, 71446), (5699, 36494), (5822, 35723), (9869, 21074), (10537, 19738), (11398, 18247)]