8143984

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 16391808

約数和(自身を除く): 8247824

約数列:

[1, 2, 4, 8, 16, 67, 71, 107, 134, 142, 214, 268, 284, 428, 536, 568, 856, 1072, 1136, 1712, 4757, 7169, 7597, 9514, 14338, 15194, 19028, 28676, 30388, 38056, 57352, 60776, 76112, 114704, 121552, 508999, 1017998, 2035996, 4071992, 8143984]

約数ペア:

[(1, 8143984), (2, 4071992), (4, 2035996), (8, 1017998), (16, 508999), (67, 121552), (71, 114704), (107, 76112), (134, 60776), (142, 57352), (214, 38056), (268, 30388), (284, 28676), (428, 19028), (536, 15194), (568, 14338), (856, 9514), (1072, 7597), (1136, 7169), (1712, 4757)]