416664

素因数分解:

$2^3\times 3^4\times {\mathrm{643}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 1168860

約数和(自身を除く): 752196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 643, 648, 1286, 1929, 2572, 3858, 5144, 5787, 7716, 11574, 15432, 17361, 23148, 34722, 46296, 52083, 69444, 104166, 138888, 208332, 416664]

約数ペア:

[(1, 416664), (2, 208332), (3, 138888), (4, 104166), (6, 69444), (8, 52083), (9, 46296), (12, 34722), (18, 23148), (24, 17361), (27, 15432), (36, 11574), (54, 7716), (72, 5787), (81, 5144), (108, 3858), (162, 2572), (216, 1929), (324, 1286), (643, 648)]