25206664

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 56424960

約数和(自身を除く): 31218296

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 61, 94, 122, 157, 188, 244, 314, 329, 376, 427, 488, 628, 658, 854, 1099, 1256, 1316, 1708, 2198, 2632, 2867, 3416, 4396, 5734, 7379, 8792, 9577, 11468, 14758, 19154, 20069, 22936, 29516, 38308, 40138, 51653, 59032, 67039, 76616, 80276, 103306, 134078, 160552, 206612, 268156, 413224, 450119, 536312, 900238, 1800476, 3150833, 3600952, 6301666, 12603332, 25206664]

約数ペア:

[(1, 25206664), (2, 12603332), (4, 6301666), (7, 3600952), (8, 3150833), (14, 1800476), (28, 900238), (47, 536312), (56, 450119), (61, 413224), (94, 268156), (122, 206612), (157, 160552), (188, 134078), (244, 103306), (314, 80276), (329, 76616), (376, 67039), (427, 59032), (488, 51653), (628, 40138), (658, 38308), (854, 29516), (1099, 22936), (1256, 20069), (1316, 19154), (1708, 14758), (2198, 11468), (2632, 9577), (2867, 8792), (3416, 7379), (4396, 5734)]