85017821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 21426979

約数列:

[1, 7, 23, 29, 131, 139, 161, 203, 667, 917, 973, 3013, 3197, 3799, 4031, 4669, 18209, 21091, 22379, 26593, 28217, 87377, 92713, 127463, 418807, 528061, 611639, 648991, 2931649, 3696427, 12145403, 85017821]

約数ペア:

[(1, 85017821), (7, 12145403), (23, 3696427), (29, 2931649), (131, 648991), (139, 611639), (161, 528061), (203, 418807), (667, 127463), (917, 92713), (973, 87377), (3013, 28217), (3197, 26593), (3799, 22379), (4031, 21091), (4669, 18209)]