689381332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1093}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 1307373760

約数和(自身を除く): 617992428

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 193, 386, 772, 817, 1093, 1634, 2186, 3268, 3667, 4372, 7334, 8299, 14668, 16598, 20767, 33196, 41534, 46999, 83068, 93998, 157681, 187996, 210949, 315362, 421898, 630724, 843796, 892981, 1785962, 3571924, 4008031, 8016062, 9070807, 16032124, 18141614, 36283228, 172345333, 344690666, 689381332]

約数ペア:

[(1, 689381332), (2, 344690666), (4, 172345333), (19, 36283228), (38, 18141614), (43, 16032124), (76, 9070807), (86, 8016062), (172, 4008031), (193, 3571924), (386, 1785962), (772, 892981), (817, 843796), (1093, 630724), (1634, 421898), (2186, 315362), (3268, 210949), (3667, 187996), (4372, 157681), (7334, 93998), (8299, 83068), (14668, 46999), (16598, 41534), (20767, 33196)]