257284014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1511}}^1$

素因数の和:1625

約数の個数: 64

約数和(自身を含む): 579156480

約数和(自身を除く): 321872466

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 59, 74, 78, 111, 118, 177, 222, 354, 481, 767, 962, 1443, 1511, 1534, 2183, 2301, 2886, 3022, 4366, 4533, 4602, 6549, 9066, 13098, 19643, 28379, 39286, 55907, 56758, 58929, 85137, 89149, 111814, 117858, 167721, 170274, 178298, 267447, 335442, 534894, 726791, 1158937, 1453582, 2180373, 2317874, 3298513, 3476811, 4360746, 6597026, 6953622, 9895539, 19791078, 42880669, 85761338, 128642007, 257284014]

約数ペア:

[(1, 257284014), (2, 128642007), (3, 85761338), (6, 42880669), (13, 19791078), (26, 9895539), (37, 6953622), (39, 6597026), (59, 4360746), (74, 3476811), (78, 3298513), (111, 2317874), (118, 2180373), (177, 1453582), (222, 1158937), (354, 726791), (481, 534894), (767, 335442), (962, 267447), (1443, 178298), (1511, 170274), (1534, 167721), (2183, 117858), (2301, 111814), (2886, 89149), (3022, 85137), (4366, 58929), (4533, 56758), (4602, 55907), (6549, 39286), (9066, 28379), (13098, 19643)]