201327968

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 403885440

約数和(自身を除く): 202557472

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 223, 317, 356, 446, 634, 712, 892, 1268, 1424, 1784, 2536, 2848, 3568, 5072, 7136, 10144, 19847, 28213, 39694, 56426, 70691, 79388, 112852, 141382, 158776, 225704, 282764, 317552, 451408, 565528, 635104, 902816, 1131056, 2262112, 6291499, 12582998, 25165996, 50331992, 100663984, 201327968]

約数ペア:

[(1, 201327968), (2, 100663984), (4, 50331992), (8, 25165996), (16, 12582998), (32, 6291499), (89, 2262112), (178, 1131056), (223, 902816), (317, 635104), (356, 565528), (446, 451408), (634, 317552), (712, 282764), (892, 225704), (1268, 158776), (1424, 141382), (1784, 112852), (2536, 79388), (2848, 70691), (3568, 56426), (5072, 39694), (7136, 28213), (10144, 19847)]