80890686

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 182342160

約数和(自身を除く): 101451474

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 241, 261, 482, 522, 643, 723, 1286, 1446, 1929, 2169, 3858, 4338, 5787, 6989, 11574, 13978, 18647, 20967, 37294, 41934, 55941, 62901, 111882, 125802, 154963, 167823, 309926, 335646, 464889, 929778, 1394667, 2789334, 4493927, 8987854, 13481781, 26963562, 40445343, 80890686]

約数ペア:

[(1, 80890686), (2, 40445343), (3, 26963562), (6, 13481781), (9, 8987854), (18, 4493927), (29, 2789334), (58, 1394667), (87, 929778), (174, 464889), (241, 335646), (261, 309926), (482, 167823), (522, 154963), (643, 125802), (723, 111882), (1286, 62901), (1446, 55941), (1929, 41934), (2169, 37294), (3858, 20967), (4338, 18647), (5787, 13978), (6989, 11574)]