258521144

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{242971}}^1$

素因数の和:243003

約数の個数: 32

約数和(自身を含む): 583132800

約数和(自身を除く): 324611656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 242971, 485942, 971884, 1700797, 1943768, 3401594, 4616449, 6803188, 9232898, 13606376, 18465796, 32315143, 36931592, 64630286, 129260572, 258521144]

約数ペア:

[(1, 258521144), (2, 129260572), (4, 64630286), (7, 36931592), (8, 32315143), (14, 18465796), (19, 13606376), (28, 9232898), (38, 6803188), (56, 4616449), (76, 3401594), (133, 1943768), (152, 1700797), (266, 971884), (532, 485942), (1064, 242971)]