28217754

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 66758400

約数和(自身を除く): 38540646

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 87, 111, 174, 222, 261, 333, 487, 522, 666, 783, 974, 999, 1073, 1461, 1566, 1998, 2146, 2922, 3219, 4383, 6438, 8766, 9657, 13149, 14123, 18019, 19314, 26298, 28246, 28971, 36038, 42369, 54057, 57942, 84738, 108114, 127107, 162171, 254214, 324342, 381321, 486513, 522551, 762642, 973026, 1045102, 1567653, 3135306, 4702959, 9405918, 14108877, 28217754]

約数ペア:

[(1, 28217754), (2, 14108877), (3, 9405918), (6, 4702959), (9, 3135306), (18, 1567653), (27, 1045102), (29, 973026), (37, 762642), (54, 522551), (58, 486513), (74, 381321), (87, 324342), (111, 254214), (174, 162171), (222, 127107), (261, 108114), (333, 84738), (487, 57942), (522, 54057), (666, 42369), (783, 36038), (974, 28971), (999, 28246), (1073, 26298), (1461, 19314), (1566, 18019), (1998, 14123), (2146, 13149), (2922, 9657), (3219, 8766), (4383, 6438)]