25679966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 43309056

約数和(自身を除く): 17629090

約数列:

[1, 2, 13, 26, 31, 62, 151, 211, 302, 403, 422, 806, 1963, 2743, 3926, 4681, 5486, 6541, 9362, 13082, 31861, 60853, 63722, 85033, 121706, 170066, 414193, 828386, 987691, 1975382, 12839983, 25679966]

約数ペア:

[(1, 25679966), (2, 12839983), (13, 1975382), (26, 987691), (31, 828386), (62, 414193), (151, 170066), (211, 121706), (302, 85033), (403, 63722), (422, 60853), (806, 31861), (1963, 13082), (2743, 9362), (3926, 6541), (4681, 5486)]