87940385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 120718080

約数和(自身を除く): 32777695

約数列:

[1, 5, 13, 23, 59, 65, 115, 295, 299, 767, 997, 1357, 1495, 3835, 4985, 6785, 12961, 17641, 22931, 58823, 64805, 88205, 114655, 294115, 298103, 764699, 1352929, 1490515, 3823495, 6764645, 17588077, 87940385]

約数ペア:

[(1, 87940385), (5, 17588077), (13, 6764645), (23, 3823495), (59, 1490515), (65, 1352929), (115, 764699), (295, 298103), (299, 294115), (767, 114655), (997, 88205), (1357, 64805), (1495, 58823), (3835, 22931), (4985, 17641), (6785, 12961)]