219720908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{51481}}^1$

素因数の和:51593

約数の個数: 24

約数和(自身を含む): 423799824

約数和(自身を除く): 204078916

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 51481, 102962, 205924, 566291, 1132582, 2265164, 4993657, 9987314, 19974628, 54930227, 109860454, 219720908]

約数ペア:

[(1, 219720908), (2, 109860454), (4, 54930227), (11, 19974628), (22, 9987314), (44, 4993657), (97, 2265164), (194, 1132582), (388, 566291), (1067, 205924), (2134, 102962), (4268, 51481)]