25128698

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 44688000

約数和(自身を除く): 19559302

約数列:

[1, 2, 7, 14, 37, 74, 139, 259, 278, 349, 518, 698, 973, 1946, 2443, 4886, 5143, 10286, 12913, 25826, 36001, 48511, 72002, 90391, 97022, 180782, 339577, 679154, 1794907, 3589814, 12564349, 25128698]

約数ペア:

[(1, 25128698), (2, 12564349), (7, 3589814), (14, 1794907), (37, 679154), (74, 339577), (139, 180782), (259, 97022), (278, 90391), (349, 72002), (518, 48511), (698, 36001), (973, 25826), (1946, 12913), (2443, 10286), (4886, 5143)]