81257330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{105529}}^1$

素因数の和:105554

約数の個数: 32

約数和(自身を含む): 182355840

約数和(自身を除く): 101098510

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 105529, 211058, 527645, 738703, 1055290, 1160819, 1477406, 2321638, 3693515, 5804095, 7387030, 8125733, 11608190, 16251466, 40628665, 81257330]

約数ペア:

[(1, 81257330), (2, 40628665), (5, 16251466), (7, 11608190), (10, 8125733), (11, 7387030), (14, 5804095), (22, 3693515), (35, 2321638), (55, 1477406), (70, 1160819), (77, 1055290), (110, 738703), (154, 527645), (385, 211058), (770, 105529)]