72180790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3793}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 142593696

約数和(自身を除く): 70412906

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1730, 1903, 3793, 3806, 7586, 9515, 18965, 19030, 37930, 41723, 83446, 208615, 417230, 656189, 1312378, 3280945, 6561890, 7218079, 14436158, 36090395, 72180790]

約数ペア:

[(1, 72180790), (2, 36090395), (5, 14436158), (10, 7218079), (11, 6561890), (22, 3280945), (55, 1312378), (110, 656189), (173, 417230), (346, 208615), (865, 83446), (1730, 41723), (1903, 37930), (3793, 19030), (3806, 18965), (7586, 9515)]