256436619

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 379975680

約数和(自身を除く): 123539061

約数列:

[1, 3, 17, 31, 51, 61, 93, 183, 527, 1037, 1581, 1891, 2659, 3111, 5673, 7977, 32147, 45203, 82429, 96441, 135609, 162199, 247287, 486597, 1401293, 2757383, 4203879, 5028169, 8272149, 15084507, 85478873, 256436619]

約数ペア:

[(1, 256436619), (3, 85478873), (17, 15084507), (31, 8272149), (51, 5028169), (61, 4203879), (93, 2757383), (183, 1401293), (527, 486597), (1037, 247287), (1581, 162199), (1891, 135609), (2659, 96441), (3111, 82429), (5673, 45203), (7977, 32147)]