2009668465

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{25373}}^1$

素因数の和:25489

約数の個数: 32

約数和(自身を含む): 2884110336

約数和(自身を除く): 874441871

約数列:

[1, 5, 7, 31, 35, 73, 155, 217, 365, 511, 1085, 2263, 2555, 11315, 15841, 25373, 79205, 126865, 177611, 786563, 888055, 1852229, 3932815, 5505941, 9261145, 12965603, 27529705, 57419099, 64828015, 287095495, 401933693, 2009668465]

約数ペア:

[(1, 2009668465), (5, 401933693), (7, 287095495), (31, 64828015), (35, 57419099), (73, 27529705), (155, 12965603), (217, 9261145), (365, 5505941), (511, 3932815), (1085, 1852229), (2263, 888055), (2555, 786563), (11315, 177611), (15841, 126865), (25373, 79205)]