390908754

素因数分解:

$2^1\times 3^7\times {\mathrm{89371}}^1$

素因数の和:89394

約数の個数: 32

約数和(自身を含む): 879420480

約数和(自身を除く): 488511726

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 89371, 178742, 268113, 536226, 804339, 1608678, 2413017, 4826034, 7239051, 14478102, 21717153, 43434306, 65151459, 130302918, 195454377, 390908754]

約数ペア:

[(1, 390908754), (2, 195454377), (3, 130302918), (6, 65151459), (9, 43434306), (18, 21717153), (27, 14478102), (54, 7239051), (81, 4826034), (162, 2413017), (243, 1608678), (486, 804339), (729, 536226), (1458, 268113), (2187, 178742), (4374, 89371)]