25303478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 16276522

約数列:

[1, 2, 19, 38, 41, 82, 109, 149, 218, 298, 779, 1558, 2071, 2831, 4142, 4469, 5662, 6109, 8938, 12218, 16241, 32482, 84911, 116071, 169822, 232142, 308579, 617158, 665881, 1331762, 12651739, 25303478]

約数ペア:

[(1, 25303478), (2, 12651739), (19, 1331762), (38, 665881), (41, 617158), (82, 308579), (109, 232142), (149, 169822), (218, 116071), (298, 84911), (779, 32482), (1558, 16241), (2071, 12218), (2831, 8938), (4142, 6109), (4469, 5662)]