1998972

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 5268480

約数和(自身を除く): 3269508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 223, 249, 332, 446, 498, 669, 747, 892, 996, 1338, 1494, 2007, 2241, 2676, 2988, 4014, 4482, 6021, 8028, 8964, 12042, 18509, 24084, 37018, 55527, 74036, 111054, 166581, 222108, 333162, 499743, 666324, 999486, 1998972]

約数ペア:

[(1, 1998972), (2, 999486), (3, 666324), (4, 499743), (6, 333162), (9, 222108), (12, 166581), (18, 111054), (27, 74036), (36, 55527), (54, 37018), (83, 24084), (108, 18509), (166, 12042), (223, 8964), (249, 8028), (332, 6021), (446, 4482), (498, 4014), (669, 2988), (747, 2676), (892, 2241), (996, 2007), (1338, 1494)]