25255978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 22022102

約数列:

[1, 2, 11, 19, 22, 23, 37, 38, 46, 71, 74, 142, 209, 253, 407, 418, 437, 506, 703, 781, 814, 851, 874, 1349, 1406, 1562, 1633, 1702, 2627, 2698, 3266, 4807, 5254, 7733, 9361, 9614, 14839, 15466, 16169, 17963, 18722, 28897, 29678, 31027, 32338, 35926, 49913, 57794, 60421, 62054, 99826, 120842, 177859, 341297, 355718, 549043, 664631, 682594, 1098086, 1147999, 1329262, 2295998, 12627989, 25255978]

約数ペア:

[(1, 25255978), (2, 12627989), (11, 2295998), (19, 1329262), (22, 1147999), (23, 1098086), (37, 682594), (38, 664631), (46, 549043), (71, 355718), (74, 341297), (142, 177859), (209, 120842), (253, 99826), (407, 62054), (418, 60421), (437, 57794), (506, 49913), (703, 35926), (781, 32338), (814, 31027), (851, 29678), (874, 28897), (1349, 18722), (1406, 17963), (1562, 16169), (1633, 15466), (1702, 14839), (2627, 9614), (2698, 9361), (3266, 7733), (4807, 5254)]