218778836

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{1787}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 387695616

約数和(自身を除く): 168916780

約数列:

[1, 2, 4, 127, 241, 254, 482, 508, 964, 1787, 3574, 7148, 30607, 61214, 122428, 226949, 430667, 453898, 861334, 907796, 1722668, 54694709, 109389418, 218778836]

約数ペア:

[(1, 218778836), (2, 109389418), (4, 54694709), (127, 1722668), (241, 907796), (254, 861334), (482, 453898), (508, 430667), (964, 226949), (1787, 122428), (3574, 61214), (7148, 30607)]