71048255

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 91238400

約数和(自身を除く): 20190145

約数列:

[1, 5, 43, 47, 79, 89, 215, 235, 395, 445, 2021, 3397, 3713, 3827, 4183, 7031, 10105, 16985, 18565, 19135, 20915, 35155, 159659, 179869, 302333, 330457, 798295, 899345, 1511665, 1652285, 14209651, 71048255]

約数ペア:

[(1, 71048255), (5, 14209651), (43, 1652285), (47, 1511665), (79, 899345), (89, 798295), (215, 330457), (235, 302333), (395, 179869), (445, 159659), (2021, 35155), (3397, 20915), (3713, 19135), (3827, 18565), (4183, 16985), (7031, 10105)]