161604

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^2$

素因数の和:144

約数の個数: 27

約数和(自身を含む): 414687

約数和(自身を除く): 253083

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 4489, 8978, 13467, 17956, 26934, 40401, 53868, 80802, 161604]

約数ペア:

[(1, 161604), (2, 80802), (3, 53868), (4, 40401), (6, 26934), (9, 17956), (12, 13467), (18, 8978), (36, 4489), (67, 2412), (134, 1206), (201, 804), (268, 603)]