251200285

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1823}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 358612992

約数和(自身を除く): 107412707

約数列:

[1, 5, 7, 31, 35, 127, 155, 217, 635, 889, 1085, 1823, 3937, 4445, 9115, 12761, 19685, 27559, 56513, 63805, 137795, 231521, 282565, 395591, 1157605, 1620647, 1977955, 7177151, 8103235, 35885755, 50240057, 251200285]

約数ペア:

[(1, 251200285), (5, 50240057), (7, 35885755), (31, 8103235), (35, 7177151), (127, 1977955), (155, 1620647), (217, 1157605), (635, 395591), (889, 282565), (1085, 231521), (1823, 137795), (3937, 63805), (4445, 56513), (9115, 27559), (12761, 19685)]