12971765

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 16975872

約数和(自身を除く): 4004107

約数列:

[1, 5, 17, 47, 85, 191, 235, 289, 799, 955, 1445, 3247, 3995, 8977, 13583, 16235, 44885, 55199, 67915, 152609, 275995, 763045, 2594353, 12971765]

約数ペア:

[(1, 12971765), (5, 2594353), (17, 763045), (47, 275995), (85, 152609), (191, 67915), (235, 55199), (289, 44885), (799, 16235), (955, 13583), (1445, 8977), (3247, 3995)]