999984

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 2624832

約数和(自身を除く): 1624848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 251, 332, 498, 502, 664, 753, 996, 1004, 1328, 1506, 1992, 2008, 3012, 3984, 4016, 6024, 12048, 20833, 41666, 62499, 83332, 124998, 166664, 249996, 333328, 499992, 999984]

約数ペア:

[(1, 999984), (2, 499992), (3, 333328), (4, 249996), (6, 166664), (8, 124998), (12, 83332), (16, 62499), (24, 41666), (48, 20833), (83, 12048), (166, 6024), (249, 4016), (251, 3984), (332, 3012), (498, 2008), (502, 1992), (664, 1506), (753, 1328), (996, 1004)]