28769884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 61426512

約数和(自身を除く): 32656628

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 73, 106, 143, 146, 169, 212, 286, 292, 338, 572, 583, 676, 689, 803, 949, 1166, 1378, 1606, 1859, 1898, 2332, 2756, 3212, 3718, 3796, 3869, 7436, 7579, 7738, 8957, 10439, 12337, 15158, 15476, 17914, 20878, 24674, 30316, 35828, 41756, 42559, 49348, 50297, 85118, 98527, 100594, 135707, 170236, 197054, 201188, 271414, 394108, 542828, 553267, 653861, 1106534, 1307722, 2213068, 2615444, 7192471, 14384942, 28769884]

約数ペア:

[(1, 28769884), (2, 14384942), (4, 7192471), (11, 2615444), (13, 2213068), (22, 1307722), (26, 1106534), (44, 653861), (52, 553267), (53, 542828), (73, 394108), (106, 271414), (143, 201188), (146, 197054), (169, 170236), (212, 135707), (286, 100594), (292, 98527), (338, 85118), (572, 50297), (583, 49348), (676, 42559), (689, 41756), (803, 35828), (949, 30316), (1166, 24674), (1378, 20878), (1606, 17914), (1859, 15476), (1898, 15158), (2332, 12337), (2756, 10439), (3212, 8957), (3718, 7738), (3796, 7579), (3869, 7436)]