25605468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 80720640

約数和(自身を除く): 55115172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 43, 51, 63, 68, 84, 86, 102, 119, 126, 129, 139, 153, 172, 204, 238, 252, 258, 278, 301, 306, 357, 387, 417, 476, 516, 556, 602, 612, 714, 731, 774, 834, 903, 973, 1071, 1204, 1251, 1428, 1462, 1548, 1668, 1806, 1946, 2142, 2193, 2363, 2502, 2709, 2919, 2924, 3612, 3892, 4284, 4386, 4726, 5004, 5117, 5418, 5838, 5977, 6579, 7089, 8757, 8772, 9452, 10234, 10836, 11676, 11954, 13158, 14178, 15351, 16541, 17514, 17931, 20468, 21267, 23908, 26316, 28356, 30702, 33082, 35028, 35862, 41839, 42534, 46053, 49623, 53793, 61404, 66164, 71724, 83678, 85068, 92106, 99246, 101609, 107586, 125517, 148869, 167356, 184212, 198492, 203218, 215172, 251034, 297738, 304827, 376551, 406436, 502068, 595476, 609654, 711263, 753102, 914481, 1219308, 1422526, 1506204, 1828962, 2133789, 2845052, 3657924, 4267578, 6401367, 8535156, 12802734, 25605468]

約数ペア:

[(1, 25605468), (2, 12802734), (3, 8535156), (4, 6401367), (6, 4267578), (7, 3657924), (9, 2845052), (12, 2133789), (14, 1828962), (17, 1506204), (18, 1422526), (21, 1219308), (28, 914481), (34, 753102), (36, 711263), (42, 609654), (43, 595476), (51, 502068), (63, 406436), (68, 376551), (84, 304827), (86, 297738), (102, 251034), (119, 215172), (126, 203218), (129, 198492), (139, 184212), (153, 167356), (172, 148869), (204, 125517), (238, 107586), (252, 101609), (258, 99246), (278, 92106), (301, 85068), (306, 83678), (357, 71724), (387, 66164), (417, 61404), (476, 53793), (516, 49623), (556, 46053), (602, 42534), (612, 41839), (714, 35862), (731, 35028), (774, 33082), (834, 30702), (903, 28356), (973, 26316), (1071, 23908), (1204, 21267), (1251, 20468), (1428, 17931), (1462, 17514), (1548, 16541), (1668, 15351), (1806, 14178), (1946, 13158), (2142, 11954), (2193, 11676), (2363, 10836), (2502, 10234), (2709, 9452), (2919, 8772), (2924, 8757), (3612, 7089), (3892, 6579), (4284, 5977), (4386, 5838), (4726, 5418), (5004, 5117)]