67206205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 91099008

約数和(自身を除く): 23892803

約数列:

[1, 5, 11, 43, 55, 157, 181, 215, 473, 785, 905, 1727, 1991, 2365, 6751, 7783, 8635, 9955, 28417, 33755, 38915, 74261, 85613, 142085, 312587, 371305, 428065, 1221931, 1562935, 6109655, 13441241, 67206205]

約数ペア:

[(1, 67206205), (5, 13441241), (11, 6109655), (43, 1562935), (55, 1221931), (157, 428065), (181, 371305), (215, 312587), (473, 142085), (785, 85613), (905, 74261), (1727, 38915), (1991, 33755), (2365, 28417), (6751, 9955), (7783, 8635)]