25895896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 56306880

約数和(自身を除く): 30410984

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 97, 104, 136, 151, 194, 221, 302, 388, 442, 604, 776, 884, 1208, 1261, 1649, 1768, 1963, 2522, 2567, 3298, 3926, 5044, 5134, 6596, 7852, 10088, 10268, 13192, 14647, 15704, 20536, 21437, 29294, 33371, 42874, 58588, 66742, 85748, 117176, 133484, 171496, 190411, 248999, 266968, 380822, 497998, 761644, 995996, 1523288, 1991992, 3236987, 6473974, 12947948, 25895896]

約数ペア:

[(1, 25895896), (2, 12947948), (4, 6473974), (8, 3236987), (13, 1991992), (17, 1523288), (26, 995996), (34, 761644), (52, 497998), (68, 380822), (97, 266968), (104, 248999), (136, 190411), (151, 171496), (194, 133484), (221, 117176), (302, 85748), (388, 66742), (442, 58588), (604, 42874), (776, 33371), (884, 29294), (1208, 21437), (1261, 20536), (1649, 15704), (1768, 14647), (1963, 13192), (2522, 10268), (2567, 10088), (3298, 7852), (3926, 6596), (5044, 5134)]