221131696

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{337091}}^1$

素因数の和:337140

約数の個数: 20

約数和(自身を含む): 438893784

約数和(自身を除く): 217762088

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 337091, 674182, 1348364, 2696728, 5393456, 13820731, 27641462, 55282924, 110565848, 221131696]

約数ペア:

[(1, 221131696), (2, 110565848), (4, 55282924), (8, 27641462), (16, 13820731), (41, 5393456), (82, 2696728), (164, 1348364), (328, 674182), (656, 337091)]