81431478

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 183530880

約数和(自身を除く): 102099402

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 257, 261, 514, 522, 607, 771, 1214, 1542, 1821, 2313, 3642, 4626, 5463, 7453, 10926, 14906, 17603, 22359, 35206, 44718, 52809, 67077, 105618, 134154, 155999, 158427, 311998, 316854, 467997, 935994, 1403991, 2807982, 4523971, 9047942, 13571913, 27143826, 40715739, 81431478]

約数ペア:

[(1, 81431478), (2, 40715739), (3, 27143826), (6, 13571913), (9, 9047942), (18, 4523971), (29, 2807982), (58, 1403991), (87, 935994), (174, 467997), (257, 316854), (261, 311998), (514, 158427), (522, 155999), (607, 134154), (771, 105618), (1214, 67077), (1542, 52809), (1821, 44718), (2313, 35206), (3642, 22359), (4626, 17603), (5463, 14906), (7453, 10926)]