216975731

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{3583}}^1$

素因数の和:3842

約数の個数: 16

約数和(自身を含む): 255295488

約数和(自身を除く): 38319757

約数列:

[1, 7, 41, 211, 287, 1477, 3583, 8651, 25081, 60557, 146903, 756013, 1028321, 5292091, 30996533, 216975731]

約数ペア:

[(1, 216975731), (7, 30996533), (41, 5292091), (211, 1028321), (287, 756013), (1477, 146903), (3583, 60557), (8651, 25081)]