639432

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 1769040

約数和(自身を除く): 1129608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 107, 166, 214, 249, 321, 332, 428, 498, 642, 664, 747, 856, 963, 996, 1284, 1494, 1926, 1992, 2568, 2988, 3852, 5976, 7704, 8881, 17762, 26643, 35524, 53286, 71048, 79929, 106572, 159858, 213144, 319716, 639432]

約数ペア:

[(1, 639432), (2, 319716), (3, 213144), (4, 159858), (6, 106572), (8, 79929), (9, 71048), (12, 53286), (18, 35524), (24, 26643), (36, 17762), (72, 8881), (83, 7704), (107, 5976), (166, 3852), (214, 2988), (249, 2568), (321, 1992), (332, 1926), (428, 1494), (498, 1284), (642, 996), (664, 963), (747, 856)]