28127502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1785

約数の個数: 48

約数和(自身を含む): 66594528

約数和(自身を除く): 38467026

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1693, 1846, 2769, 3386, 5079, 5538, 8307, 10158, 15237, 16614, 22009, 30474, 44018, 66027, 120203, 132054, 198081, 240406, 360609, 396162, 721218, 1081827, 1562639, 2163654, 3125278, 4687917, 9375834, 14063751, 28127502]

約数ペア:

[(1, 28127502), (2, 14063751), (3, 9375834), (6, 4687917), (9, 3125278), (13, 2163654), (18, 1562639), (26, 1081827), (39, 721218), (71, 396162), (78, 360609), (117, 240406), (142, 198081), (213, 132054), (234, 120203), (426, 66027), (639, 44018), (923, 30474), (1278, 22009), (1693, 16614), (1846, 15237), (2769, 10158), (3386, 8307), (5079, 5538)]