280412159

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 314603520

約数和(自身を除く): 34191361

約数列:

[1, 23, 37, 43, 79, 97, 851, 989, 1591, 1817, 2231, 2923, 3397, 3589, 4171, 7663, 36593, 67229, 78131, 82547, 95933, 125689, 154327, 176249, 283531, 329509, 2890847, 3549521, 6521213, 7578707, 12191833, 280412159]

約数ペア:

[(1, 280412159), (23, 12191833), (37, 7578707), (43, 6521213), (79, 3549521), (97, 2890847), (851, 329509), (989, 283531), (1591, 176249), (1817, 154327), (2231, 125689), (2923, 95933), (3397, 82547), (3589, 78131), (4171, 67229), (7663, 36593)]