520028691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 914457600

約数和(自身を除く): 394428909

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 89, 91, 119, 221, 267, 273, 357, 623, 663, 1157, 1259, 1513, 1547, 1869, 3471, 3777, 4539, 4641, 8099, 8813, 10591, 16367, 19669, 21403, 24297, 26439, 31773, 49101, 59007, 64209, 112051, 114569, 137683, 149821, 278239, 336153, 343707, 413049, 449463, 784357, 834717, 1456663, 1904867, 1947673, 2353071, 4369989, 5714601, 5843019, 10196641, 13334069, 24763271, 30589923, 40002207, 74289813, 173342897, 520028691]

約数ペア:

[(1, 520028691), (3, 173342897), (7, 74289813), (13, 40002207), (17, 30589923), (21, 24763271), (39, 13334069), (51, 10196641), (89, 5843019), (91, 5714601), (119, 4369989), (221, 2353071), (267, 1947673), (273, 1904867), (357, 1456663), (623, 834717), (663, 784357), (1157, 449463), (1259, 413049), (1513, 343707), (1547, 336153), (1869, 278239), (3471, 149821), (3777, 137683), (4539, 114569), (4641, 112051), (8099, 64209), (8813, 59007), (10591, 49101), (16367, 31773), (19669, 26439), (21403, 24297)]