247642808

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13691}}^1$

素因数の和:13740

約数の個数: 64

約数和(自身を含む): 591494400

約数和(自身を除く): 343851592

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 2261, 2584, 4522, 9044, 13691, 18088, 27382, 54764, 95837, 109528, 191674, 232747, 260129, 383348, 465494, 520258, 766696, 930988, 1040516, 1629229, 1820903, 1861976, 2081032, 3258458, 3641806, 4422193, 6516916, 7283612, 8844386, 13033832, 14567224, 17688772, 30955351, 35377544, 61910702, 123821404, 247642808]

約数ペア:

[(1, 247642808), (2, 123821404), (4, 61910702), (7, 35377544), (8, 30955351), (14, 17688772), (17, 14567224), (19, 13033832), (28, 8844386), (34, 7283612), (38, 6516916), (56, 4422193), (68, 3641806), (76, 3258458), (119, 2081032), (133, 1861976), (136, 1820903), (152, 1629229), (238, 1040516), (266, 930988), (323, 766696), (476, 520258), (532, 465494), (646, 383348), (952, 260129), (1064, 232747), (1292, 191674), (2261, 109528), (2584, 95837), (4522, 54764), (9044, 27382), (13691, 18088)]