28383948

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2487

約数の個数: 72

約数和(自身を含む): 79999920

約数和(自身を除く): 51615972

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1938, 2441, 2907, 3876, 4882, 5814, 7323, 9764, 11628, 14646, 21969, 29292, 41497, 43938, 46379, 82994, 87876, 92758, 124491, 139137, 165988, 185516, 248982, 278274, 373473, 417411, 497964, 556548, 746946, 788443, 834822, 1493892, 1576886, 1669644, 2365329, 3153772, 4730658, 7095987, 9461316, 14191974, 28383948]

約数ペア:

[(1, 28383948), (2, 14191974), (3, 9461316), (4, 7095987), (6, 4730658), (9, 3153772), (12, 2365329), (17, 1669644), (18, 1576886), (19, 1493892), (34, 834822), (36, 788443), (38, 746946), (51, 556548), (57, 497964), (68, 417411), (76, 373473), (102, 278274), (114, 248982), (153, 185516), (171, 165988), (204, 139137), (228, 124491), (306, 92758), (323, 87876), (342, 82994), (612, 46379), (646, 43938), (684, 41497), (969, 29292), (1292, 21969), (1938, 14646), (2441, 11628), (2907, 9764), (3876, 7323), (4882, 5814)]