257920584

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1669}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 663724800

約数和(自身を除く): 405804216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 137, 141, 188, 274, 282, 376, 411, 548, 564, 822, 1096, 1128, 1644, 1669, 3288, 3338, 5007, 6439, 6676, 10014, 12878, 13352, 19317, 20028, 25756, 38634, 40056, 51512, 77268, 78443, 154536, 156886, 228653, 235329, 313772, 457306, 470658, 627544, 685959, 914612, 941316, 1371918, 1829224, 1882632, 2743836, 5487672, 10746691, 21493382, 32240073, 42986764, 64480146, 85973528, 128960292, 257920584]

約数ペア:

[(1, 257920584), (2, 128960292), (3, 85973528), (4, 64480146), (6, 42986764), (8, 32240073), (12, 21493382), (24, 10746691), (47, 5487672), (94, 2743836), (137, 1882632), (141, 1829224), (188, 1371918), (274, 941316), (282, 914612), (376, 685959), (411, 627544), (548, 470658), (564, 457306), (822, 313772), (1096, 235329), (1128, 228653), (1644, 156886), (1669, 154536), (3288, 78443), (3338, 77268), (5007, 51512), (6439, 40056), (6676, 38634), (10014, 25756), (12878, 20028), (13352, 19317)]