25821964

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 27916532

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 83, 164, 166, 271, 287, 332, 542, 574, 581, 1084, 1148, 1162, 1897, 2324, 3403, 3794, 6806, 7588, 11111, 13612, 22222, 22493, 23821, 44444, 44986, 47642, 77777, 89972, 95284, 155554, 157451, 311108, 314902, 629804, 922213, 1844426, 3688852, 6455491, 12910982, 25821964]

約数ペア:

[(1, 25821964), (2, 12910982), (4, 6455491), (7, 3688852), (14, 1844426), (28, 922213), (41, 629804), (82, 314902), (83, 311108), (164, 157451), (166, 155554), (271, 95284), (287, 89972), (332, 77777), (542, 47642), (574, 44986), (581, 44444), (1084, 23821), (1148, 22493), (1162, 22222), (1897, 13612), (2324, 11111), (3403, 7588), (3794, 6806)]