668334276

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19687}}^1$

素因数の和:19761

約数の個数: 72

約数和(自身を含む): 1805940864

約数和(自身を除く): 1137606588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 738, 828, 943, 1476, 1886, 2829, 3772, 5658, 8487, 11316, 16974, 19687, 33948, 39374, 59061, 78748, 118122, 177183, 236244, 354366, 452801, 708732, 807167, 905602, 1358403, 1614334, 1811204, 2421501, 2716806, 3228668, 4075209, 4843002, 5433612, 7264503, 8150418, 9686004, 14529006, 16300836, 18564841, 29058012, 37129682, 55694523, 74259364, 111389046, 167083569, 222778092, 334167138, 668334276]

約数ペア:

[(1, 668334276), (2, 334167138), (3, 222778092), (4, 167083569), (6, 111389046), (9, 74259364), (12, 55694523), (18, 37129682), (23, 29058012), (36, 18564841), (41, 16300836), (46, 14529006), (69, 9686004), (82, 8150418), (92, 7264503), (123, 5433612), (138, 4843002), (164, 4075209), (207, 3228668), (246, 2716806), (276, 2421501), (369, 1811204), (414, 1614334), (492, 1358403), (738, 905602), (828, 807167), (943, 708732), (1476, 452801), (1886, 354366), (2829, 236244), (3772, 177183), (5658, 118122), (8487, 78748), (11316, 59061), (16974, 39374), (19687, 33948)]