256393336

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{8783}}^1$

素因数の和:8919

約数の個数: 32

約数和(自身を含む): 498052800

約数和(自身を除く): 241659464

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 712, 3649, 7298, 8783, 14596, 17566, 29192, 35132, 70264, 360103, 720206, 781687, 1440412, 1563374, 2880824, 3126748, 6253496, 32049167, 64098334, 128196668, 256393336]

約数ペア:

[(1, 256393336), (2, 128196668), (4, 64098334), (8, 32049167), (41, 6253496), (82, 3126748), (89, 2880824), (164, 1563374), (178, 1440412), (328, 781687), (356, 720206), (712, 360103), (3649, 70264), (7298, 35132), (8783, 29192), (14596, 17566)]