25711256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 27856744

約数列:

[1, 2, 4, 8, 19, 38, 47, 59, 61, 76, 94, 118, 122, 152, 188, 236, 244, 376, 472, 488, 893, 1121, 1159, 1786, 2242, 2318, 2773, 2867, 3572, 3599, 4484, 4636, 5546, 5734, 7144, 7198, 8968, 9272, 11092, 11468, 14396, 22184, 22936, 28792, 52687, 54473, 68381, 105374, 108946, 136762, 169153, 210748, 217892, 273524, 338306, 421496, 435784, 547048, 676612, 1353224, 3213907, 6427814, 12855628, 25711256]

約数ペア:

[(1, 25711256), (2, 12855628), (4, 6427814), (8, 3213907), (19, 1353224), (38, 676612), (47, 547048), (59, 435784), (61, 421496), (76, 338306), (94, 273524), (118, 217892), (122, 210748), (152, 169153), (188, 136762), (236, 108946), (244, 105374), (376, 68381), (472, 54473), (488, 52687), (893, 28792), (1121, 22936), (1159, 22184), (1786, 14396), (2242, 11468), (2318, 11092), (2773, 9272), (2867, 8968), (3572, 7198), (3599, 7144), (4484, 5734), (4636, 5546)]