388949132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{679981}}^1$

素因数の和:680009

約数の個数: 24

約数和(自身を含む): 799658832

約数和(自身を除く): 410709700

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 679981, 1359962, 2719924, 7479791, 8839753, 14959582, 17679506, 29919164, 35359012, 97237283, 194474566, 388949132]

約数ペア:

[(1, 388949132), (2, 194474566), (4, 97237283), (11, 35359012), (13, 29919164), (22, 17679506), (26, 14959582), (44, 8839753), (52, 7479791), (143, 2719924), (286, 1359962), (572, 679981)]