258200481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 457574400

約数和(自身を除く): 199373919

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 89, 133, 209, 231, 267, 399, 623, 627, 661, 979, 1463, 1691, 1869, 1983, 2937, 4389, 4627, 5073, 6853, 7271, 11837, 12559, 13881, 18601, 20559, 21813, 35511, 37677, 50897, 55803, 58829, 87913, 130207, 138149, 152691, 176487, 263739, 390621, 411803, 414447, 647119, 967043, 1117751, 1235409, 1941357, 2901129, 3353253, 4529833, 7824257, 12295261, 13589499, 23472771, 36885783, 86066827, 258200481]

約数ペア:

[(1, 258200481), (3, 86066827), (7, 36885783), (11, 23472771), (19, 13589499), (21, 12295261), (33, 7824257), (57, 4529833), (77, 3353253), (89, 2901129), (133, 1941357), (209, 1235409), (231, 1117751), (267, 967043), (399, 647119), (623, 414447), (627, 411803), (661, 390621), (979, 263739), (1463, 176487), (1691, 152691), (1869, 138149), (1983, 130207), (2937, 87913), (4389, 58829), (4627, 55803), (5073, 50897), (6853, 37677), (7271, 35511), (11837, 21813), (12559, 20559), (13881, 18601)]