1663984

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 3749760

約数和(自身を除く): 2085776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 179, 332, 358, 581, 664, 716, 1162, 1253, 1328, 1432, 2324, 2506, 2864, 4648, 5012, 9296, 10024, 14857, 20048, 29714, 59428, 103999, 118856, 207998, 237712, 415996, 831992, 1663984]

約数ペア:

[(1, 1663984), (2, 831992), (4, 415996), (7, 237712), (8, 207998), (14, 118856), (16, 103999), (28, 59428), (56, 29714), (83, 20048), (112, 14857), (166, 10024), (179, 9296), (332, 5012), (358, 4648), (581, 2864), (664, 2506), (716, 2324), (1162, 1432), (1253, 1328)]