71020636

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 127071504

約数和(自身を除く): 56050868

約数列:

[1, 2, 4, 53, 106, 212, 521, 643, 1042, 1286, 2084, 2572, 27613, 34079, 55226, 68158, 110452, 136316, 335003, 670006, 1340012, 17755159, 35510318, 71020636]

約数ペア:

[(1, 71020636), (2, 35510318), (4, 17755159), (53, 1340012), (106, 670006), (212, 335003), (521, 136316), (643, 110452), (1042, 68158), (1286, 55226), (2084, 34079), (2572, 27613)]