647892

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{857}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 1921920

約数和(自身を除く): 1274028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 857, 1714, 2571, 3428, 5142, 5999, 7713, 10284, 11998, 15426, 17997, 23139, 23996, 30852, 35994, 46278, 53991, 71988, 92556, 107982, 161973, 215964, 323946, 647892]

約数ペア:

[(1, 647892), (2, 323946), (3, 215964), (4, 161973), (6, 107982), (7, 92556), (9, 71988), (12, 53991), (14, 46278), (18, 35994), (21, 30852), (27, 23996), (28, 23139), (36, 17997), (42, 15426), (54, 11998), (63, 10284), (84, 7713), (108, 5999), (126, 5142), (189, 3428), (252, 2571), (378, 1714), (756, 857)]