257698746

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{12143}}^1$

素因数の和:12288

約数の個数: 40

約数和(自身を含む): 581891904

約数和(自身を除く): 324193158

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 786, 1179, 2358, 3537, 7074, 10611, 12143, 21222, 24286, 36429, 72858, 109287, 218574, 327861, 655722, 983583, 1590733, 1967166, 3181466, 4772199, 9544398, 14316597, 28633194, 42949791, 85899582, 128849373, 257698746]

約数ペア:

[(1, 257698746), (2, 128849373), (3, 85899582), (6, 42949791), (9, 28633194), (18, 14316597), (27, 9544398), (54, 4772199), (81, 3181466), (131, 1967166), (162, 1590733), (262, 983583), (393, 655722), (786, 327861), (1179, 218574), (2358, 109287), (3537, 72858), (7074, 36429), (10611, 24286), (12143, 21222)]