2661505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 4128768

約数和(自身を除く): 1467263

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 223, 341, 385, 1085, 1115, 1561, 1705, 2387, 2453, 6913, 7805, 11935, 12265, 17171, 34565, 48391, 76043, 85855, 241955, 380215, 532301, 2661505]

約数ペア:

[(1, 2661505), (5, 532301), (7, 380215), (11, 241955), (31, 85855), (35, 76043), (55, 48391), (77, 34565), (155, 17171), (217, 12265), (223, 11935), (341, 7805), (385, 6913), (1085, 2453), (1115, 2387), (1561, 1705)]