258303609

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 400308480

約数和(自身を除く): 142004871

約数列:

[1, 3, 9, 29, 53, 71, 87, 159, 213, 261, 263, 477, 639, 789, 1537, 2059, 2367, 3763, 4611, 6177, 7627, 11289, 13833, 13939, 18531, 18673, 22881, 33867, 41817, 56019, 68643, 109127, 125451, 168057, 327381, 404231, 541517, 982143, 989669, 1212693, 1624551, 2969007, 3638079, 4873653, 8907021, 28700401, 86101203, 258303609]

約数ペア:

[(1, 258303609), (3, 86101203), (9, 28700401), (29, 8907021), (53, 4873653), (71, 3638079), (87, 2969007), (159, 1624551), (213, 1212693), (261, 989669), (263, 982143), (477, 541517), (639, 404231), (789, 327381), (1537, 168057), (2059, 125451), (2367, 109127), (3763, 68643), (4611, 56019), (6177, 41817), (7627, 33867), (11289, 22881), (13833, 18673), (13939, 18531)]