2578345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 3983616

約数和(自身を除く): 1405271

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 181, 185, 259, 385, 407, 905, 1267, 1295, 1991, 2035, 2849, 6335, 6697, 9955, 13937, 14245, 33485, 46879, 69685, 73667, 234395, 368335, 515669, 2578345]

約数ペア:

[(1, 2578345), (5, 515669), (7, 368335), (11, 234395), (35, 73667), (37, 69685), (55, 46879), (77, 33485), (181, 14245), (185, 13937), (259, 9955), (385, 6697), (407, 6335), (905, 2849), (1267, 2035), (1295, 1991)]