257965652

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 526848000

約数和(自身を除く): 268882348

約数列:

[1, 2, 4, 7, 14, 28, 79, 139, 158, 278, 316, 553, 556, 839, 973, 1106, 1678, 1946, 2212, 3356, 3892, 5873, 10981, 11746, 21962, 23492, 43924, 66281, 76867, 116621, 132562, 153734, 233242, 265124, 307468, 463967, 466484, 816347, 927934, 1632694, 1855868, 3265388, 9213059, 18426118, 36852236, 64491413, 128982826, 257965652]

約数ペア:

[(1, 257965652), (2, 128982826), (4, 64491413), (7, 36852236), (14, 18426118), (28, 9213059), (79, 3265388), (139, 1855868), (158, 1632694), (278, 927934), (316, 816347), (553, 466484), (556, 463967), (839, 307468), (973, 265124), (1106, 233242), (1678, 153734), (1946, 132562), (2212, 116621), (3356, 76867), (3892, 66281), (5873, 43924), (10981, 23492), (11746, 21962)]