289064524

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 605873520

約数和(自身を除く): 316808996

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 89, 98, 146, 178, 196, 227, 292, 356, 454, 511, 623, 908, 1022, 1246, 1589, 2044, 2492, 3178, 3577, 4361, 6356, 6497, 7154, 8722, 11123, 12994, 14308, 16571, 17444, 20203, 22246, 25988, 33142, 40406, 44492, 45479, 66284, 80812, 90958, 115997, 141421, 181916, 231994, 282842, 318353, 463988, 565684, 636706, 811979, 989947, 1273412, 1474819, 1623958, 1979894, 2949638, 3247916, 3959788, 5899276, 10323733, 20647466, 41294932, 72266131, 144532262, 289064524]

約数ペア:

[(1, 289064524), (2, 144532262), (4, 72266131), (7, 41294932), (14, 20647466), (28, 10323733), (49, 5899276), (73, 3959788), (89, 3247916), (98, 2949638), (146, 1979894), (178, 1623958), (196, 1474819), (227, 1273412), (292, 989947), (356, 811979), (454, 636706), (511, 565684), (623, 463988), (908, 318353), (1022, 282842), (1246, 231994), (1589, 181916), (2044, 141421), (2492, 115997), (3178, 90958), (3577, 80812), (4361, 66284), (6356, 45479), (6497, 44492), (7154, 40406), (8722, 33142), (11123, 25988), (12994, 22246), (14308, 20203), (16571, 17444)]