25815566

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 49758720

約数和(自身を除く): 23943154

約数列:

[1, 2, 7, 14, 19, 37, 38, 43, 61, 74, 86, 122, 133, 259, 266, 301, 427, 518, 602, 703, 817, 854, 1159, 1406, 1591, 1634, 2257, 2318, 2623, 3182, 4514, 4921, 5246, 5719, 8113, 9842, 11137, 11438, 15799, 16226, 18361, 22274, 30229, 31598, 36722, 42883, 49837, 60458, 85766, 97051, 99674, 194102, 211603, 300181, 348859, 423206, 600362, 679357, 697718, 1358714, 1843969, 3687938, 12907783, 25815566]

約数ペア:

[(1, 25815566), (2, 12907783), (7, 3687938), (14, 1843969), (19, 1358714), (37, 697718), (38, 679357), (43, 600362), (61, 423206), (74, 348859), (86, 300181), (122, 211603), (133, 194102), (259, 99674), (266, 97051), (301, 85766), (427, 60458), (518, 49837), (602, 42883), (703, 36722), (817, 31598), (854, 30229), (1159, 22274), (1406, 18361), (1591, 16226), (1634, 15799), (2257, 11438), (2318, 11137), (2623, 9842), (3182, 8113), (4514, 5719), (4921, 5246)]