289145368

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{2657}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 553714560

約数和(自身を除く): 264569192

約数列:

[1, 2, 4, 8, 61, 122, 223, 244, 446, 488, 892, 1784, 2657, 5314, 10628, 13603, 21256, 27206, 54412, 108824, 162077, 324154, 592511, 648308, 1185022, 1296616, 2370044, 4740088, 36143171, 72286342, 144572684, 289145368]

約数ペア:

[(1, 289145368), (2, 144572684), (4, 72286342), (8, 36143171), (61, 4740088), (122, 2370044), (223, 1296616), (244, 1185022), (446, 648308), (488, 592511), (892, 324154), (1784, 162077), (2657, 108824), (5314, 54412), (10628, 27206), (13603, 21256)]