217089970

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{80107}}^1$

素因数の和:80385

約数の個数: 16

約数和(自身を含む): 392208768

約数和(自身を除く): 175118798

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 80107, 160214, 400535, 801070, 21708997, 43417994, 108544985, 217089970]

約数ペア:

[(1, 217089970), (2, 108544985), (5, 43417994), (10, 21708997), (271, 801070), (542, 400535), (1355, 160214), (2710, 80107)]