81529070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37571}}^1$

素因数の和:37616

約数の個数: 32

約数和(自身を含む): 173131776

約数和(自身を除く): 91602706

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 37571, 75142, 187855, 262997, 375710, 525994, 1164701, 1314985, 2329402, 2629970, 5823505, 8152907, 11647010, 16305814, 40764535, 81529070]

約数ペア:

[(1, 81529070), (2, 40764535), (5, 16305814), (7, 11647010), (10, 8152907), (14, 5823505), (31, 2629970), (35, 2329402), (62, 1314985), (70, 1164701), (155, 525994), (217, 375710), (310, 262997), (434, 187855), (1085, 75142), (2170, 37571)]