28566538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 60641280

約数和(自身を除く): 32074742

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 418, 494, 751, 1001, 1463, 1502, 1729, 2002, 2717, 2926, 3458, 5257, 5434, 8261, 9763, 10514, 14269, 16522, 19019, 19526, 28538, 38038, 57827, 68341, 99883, 107393, 115654, 136682, 156959, 185497, 199766, 214786, 313918, 370994, 751751, 1098713, 1298479, 1503502, 2040467, 2197426, 2596958, 4080934, 14283269, 28566538]

約数ペア:

[(1, 28566538), (2, 14283269), (7, 4080934), (11, 2596958), (13, 2197426), (14, 2040467), (19, 1503502), (22, 1298479), (26, 1098713), (38, 751751), (77, 370994), (91, 313918), (133, 214786), (143, 199766), (154, 185497), (182, 156959), (209, 136682), (247, 115654), (266, 107393), (286, 99883), (418, 68341), (494, 57827), (751, 38038), (1001, 28538), (1463, 19526), (1502, 19019), (1729, 16522), (2002, 14269), (2717, 10514), (2926, 9763), (3458, 8261), (5257, 5434)]