28333638

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 67866480

約数和(自身を除く): 39532842

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 81, 87, 111, 162, 163, 174, 222, 261, 326, 333, 489, 522, 666, 783, 978, 999, 1073, 1467, 1566, 1998, 2146, 2349, 2934, 2997, 3219, 4401, 4698, 4727, 5994, 6031, 6438, 8802, 9454, 9657, 12062, 13203, 14181, 18093, 19314, 26406, 28362, 28971, 36186, 42543, 54279, 57942, 85086, 86913, 108558, 127629, 162837, 173826, 174899, 255258, 325674, 349798, 382887, 488511, 524697, 765774, 977022, 1049394, 1574091, 3148182, 4722273, 9444546, 14166819, 28333638]

約数ペア:

[(1, 28333638), (2, 14166819), (3, 9444546), (6, 4722273), (9, 3148182), (18, 1574091), (27, 1049394), (29, 977022), (37, 765774), (54, 524697), (58, 488511), (74, 382887), (81, 349798), (87, 325674), (111, 255258), (162, 174899), (163, 173826), (174, 162837), (222, 127629), (261, 108558), (326, 86913), (333, 85086), (489, 57942), (522, 54279), (666, 42543), (783, 36186), (978, 28971), (999, 28362), (1073, 26406), (1467, 19314), (1566, 18093), (1998, 14181), (2146, 13203), (2349, 12062), (2934, 9657), (2997, 9454), (3219, 8802), (4401, 6438), (4698, 6031), (4727, 5994)]