87378556

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 156283344

約数和(自身を除く): 68904788

約数列:

[1, 2, 4, 53, 106, 212, 641, 643, 1282, 1286, 2564, 2572, 33973, 34079, 67946, 68158, 135892, 136316, 412163, 824326, 1648652, 21844639, 43689278, 87378556]

約数ペア:

[(1, 87378556), (2, 43689278), (4, 21844639), (53, 1648652), (106, 824326), (212, 412163), (641, 136316), (643, 135892), (1282, 68158), (1286, 67946), (2564, 34079), (2572, 33973)]