654992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 1416576

約数和(自身を除く): 761584

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 67, 94, 104, 134, 188, 208, 268, 376, 536, 611, 752, 871, 1072, 1222, 1742, 2444, 3149, 3484, 4888, 6298, 6968, 9776, 12596, 13936, 25192, 40937, 50384, 81874, 163748, 327496, 654992]

約数ペア:

[(1, 654992), (2, 327496), (4, 163748), (8, 81874), (13, 50384), (16, 40937), (26, 25192), (47, 13936), (52, 12596), (67, 9776), (94, 6968), (104, 6298), (134, 4888), (188, 3484), (208, 3149), (268, 2444), (376, 1742), (536, 1222), (611, 1072), (752, 871)]