31238864

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 62192448

約数和(自身を除く): 30953584

約数列:

[1, 2, 4, 8, 16, 71, 107, 142, 214, 257, 284, 428, 514, 568, 856, 1028, 1136, 1712, 2056, 4112, 7597, 15194, 18247, 27499, 30388, 36494, 54998, 60776, 72988, 109996, 121552, 145976, 219992, 291952, 439984, 1952429, 3904858, 7809716, 15619432, 31238864]

約数ペア:

[(1, 31238864), (2, 15619432), (4, 7809716), (8, 3904858), (16, 1952429), (71, 439984), (107, 291952), (142, 219992), (214, 145976), (257, 121552), (284, 109996), (428, 72988), (514, 60776), (568, 54998), (856, 36494), (1028, 30388), (1136, 27499), (1712, 18247), (2056, 15194), (4112, 7597)]