25898938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 44553600

約数和(自身を除く): 18654662

約数列:

[1, 2, 13, 19, 26, 38, 103, 206, 247, 494, 509, 1018, 1339, 1957, 2678, 3914, 6617, 9671, 13234, 19342, 25441, 50882, 52427, 104854, 125723, 251446, 681551, 996113, 1363102, 1992226, 12949469, 25898938]

約数ペア:

[(1, 25898938), (2, 12949469), (13, 1992226), (19, 1363102), (26, 996113), (38, 681551), (103, 251446), (206, 125723), (247, 104854), (494, 52427), (509, 50882), (1018, 25441), (1339, 19342), (1957, 13234), (2678, 9671), (3914, 6617)]