84212890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1303}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 158858496

約数和(自身を除く): 74645606

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 281, 562, 1303, 1405, 2606, 2810, 6463, 6515, 12926, 13030, 29969, 32315, 59938, 64630, 149845, 299690, 366143, 732286, 1830715, 3661430, 8421289, 16842578, 42106445, 84212890]

約数ペア:

[(1, 84212890), (2, 42106445), (5, 16842578), (10, 8421289), (23, 3661430), (46, 1830715), (115, 732286), (230, 366143), (281, 299690), (562, 149845), (1303, 64630), (1405, 59938), (2606, 32315), (2810, 29969), (6463, 13030), (6515, 12926)]