642402

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 24

約数和(自身を含む): 1411020

約数和(自身を除く): 768618

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 401, 534, 801, 802, 1203, 1602, 2406, 3609, 7218, 35689, 71378, 107067, 214134, 321201, 642402]

約数ペア:

[(1, 642402), (2, 321201), (3, 214134), (6, 107067), (9, 71378), (18, 35689), (89, 7218), (178, 3609), (267, 2406), (401, 1602), (534, 1203), (801, 802)]