25456276

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 54

約数和(自身を含む): 50763678

約数和(自身を除く): 25307402

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 289, 323, 361, 578, 646, 722, 1037, 1156, 1159, 1292, 1444, 2074, 2318, 4148, 4636, 5491, 6137, 10982, 12274, 17629, 19703, 21964, 22021, 24548, 35258, 39406, 44042, 70516, 78812, 88084, 104329, 208658, 334951, 374357, 417316, 669902, 748714, 1339804, 1497428, 6364069, 12728138, 25456276]

約数ペア:

[(1, 25456276), (2, 12728138), (4, 6364069), (17, 1497428), (19, 1339804), (34, 748714), (38, 669902), (61, 417316), (68, 374357), (76, 334951), (122, 208658), (244, 104329), (289, 88084), (323, 78812), (361, 70516), (578, 44042), (646, 39406), (722, 35258), (1037, 24548), (1156, 22021), (1159, 21964), (1292, 19703), (1444, 17629), (2074, 12274), (2318, 10982), (4148, 6137), (4636, 5491)]