251133008

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{19843}}^1$

素因数の和:19971

約数の個数: 40

約数和(自身を含む): 561029568

約数和(自身を除く): 309896560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 19843, 39686, 79372, 138901, 158744, 277802, 317488, 555604, 1111208, 2222416, 2242259, 4484518, 8969036, 15695813, 17938072, 31391626, 35876144, 62783252, 125566504, 251133008]

約数ペア:

[(1, 251133008), (2, 125566504), (4, 62783252), (7, 35876144), (8, 31391626), (14, 17938072), (16, 15695813), (28, 8969036), (56, 4484518), (112, 2242259), (113, 2222416), (226, 1111208), (452, 555604), (791, 317488), (904, 277802), (1582, 158744), (1808, 138901), (3164, 79372), (6328, 39686), (12656, 19843)]