28881138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 69600384

約数和(自身を除く): 40719246

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 41, 66, 78, 82, 123, 143, 246, 286, 429, 451, 533, 821, 858, 902, 1066, 1353, 1599, 1642, 2463, 2706, 3198, 4926, 5863, 9031, 10673, 11726, 17589, 18062, 21346, 27093, 32019, 33661, 35178, 54186, 64038, 67322, 100983, 117403, 201966, 234806, 352209, 370271, 437593, 704418, 740542, 875186, 1110813, 1312779, 2221626, 2625558, 4813523, 9627046, 14440569, 28881138]

約数ペア:

[(1, 28881138), (2, 14440569), (3, 9627046), (6, 4813523), (11, 2625558), (13, 2221626), (22, 1312779), (26, 1110813), (33, 875186), (39, 740542), (41, 704418), (66, 437593), (78, 370271), (82, 352209), (123, 234806), (143, 201966), (246, 117403), (286, 100983), (429, 67322), (451, 64038), (533, 54186), (821, 35178), (858, 33661), (902, 32019), (1066, 27093), (1353, 21346), (1599, 18062), (1642, 17589), (2463, 11726), (2706, 10673), (3198, 9031), (4926, 5863)]