1249992

素因数分解:

$2^3\times 3^5\times {\mathrm{643}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 3516240

約数和(自身を除く): 2266248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 643, 648, 972, 1286, 1929, 1944, 2572, 3858, 5144, 5787, 7716, 11574, 15432, 17361, 23148, 34722, 46296, 52083, 69444, 104166, 138888, 156249, 208332, 312498, 416664, 624996, 1249992]

約数ペア:

[(1, 1249992), (2, 624996), (3, 416664), (4, 312498), (6, 208332), (8, 156249), (9, 138888), (12, 104166), (18, 69444), (24, 52083), (27, 46296), (36, 34722), (54, 23148), (72, 17361), (81, 15432), (108, 11574), (162, 7716), (216, 5787), (243, 5144), (324, 3858), (486, 2572), (643, 1944), (648, 1929), (972, 1286)]