217810406

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{3203}}^1$

素因数の和:3508

約数の個数: 24

約数和(自身を含む): 360507672

約数和(自身を除く): 142697266

約数列:

[1, 2, 11, 22, 121, 242, 281, 562, 3091, 3203, 6182, 6406, 34001, 35233, 68002, 70466, 387563, 775126, 900043, 1800086, 9900473, 19800946, 108905203, 217810406]

約数ペア:

[(1, 217810406), (2, 108905203), (11, 19800946), (22, 9900473), (121, 1800086), (242, 900043), (281, 775126), (562, 387563), (3091, 70466), (3203, 68002), (6182, 35233), (6406, 34001)]