28980892

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 51770880

約数和(自身を除く): 22789988

約数列:

[1, 2, 4, 89, 127, 178, 254, 356, 508, 641, 1282, 2564, 11303, 22606, 45212, 57049, 81407, 114098, 162814, 228196, 325628, 7245223, 14490446, 28980892]

約数ペア:

[(1, 28980892), (2, 14490446), (4, 7245223), (89, 325628), (127, 228196), (178, 162814), (254, 114098), (356, 81407), (508, 57049), (641, 45212), (1282, 22606), (2564, 11303)]