31285428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 76640256

約数和(自身を除く): 45354828

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 263, 276, 431, 526, 789, 862, 1052, 1293, 1578, 1724, 2586, 3156, 5172, 6049, 9913, 12098, 18147, 19826, 24196, 29739, 36294, 39652, 59478, 72588, 113353, 118956, 226706, 340059, 453412, 680118, 1360236, 2607119, 5214238, 7821357, 10428476, 15642714, 31285428]

約数ペア:

[(1, 31285428), (2, 15642714), (3, 10428476), (4, 7821357), (6, 5214238), (12, 2607119), (23, 1360236), (46, 680118), (69, 453412), (92, 340059), (138, 226706), (263, 118956), (276, 113353), (431, 72588), (526, 59478), (789, 39652), (862, 36294), (1052, 29739), (1293, 24196), (1578, 19826), (1724, 18147), (2586, 12098), (3156, 9913), (5172, 6049)]