201811255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 263577600

約数和(自身を除く): 61766345

約数列:

[1, 5, 19, 43, 95, 127, 215, 389, 635, 817, 1945, 2413, 4085, 5461, 7391, 12065, 16727, 27305, 36955, 49403, 83635, 103759, 247015, 317813, 518795, 938657, 1589065, 2124329, 4693285, 10621645, 40362251, 201811255]

約数ペア:

[(1, 201811255), (5, 40362251), (19, 10621645), (43, 4693285), (95, 2124329), (127, 1589065), (215, 938657), (389, 518795), (635, 317813), (817, 247015), (1945, 103759), (2413, 83635), (4085, 49403), (5461, 36955), (7391, 27305), (12065, 16727)]