78781868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{6607}}^1$

素因数の和:6893

約数の個数: 24

約数和(自身を含む): 150979584

約数和(自身を除く): 72197716

約数列:

[1, 2, 4, 11, 22, 44, 271, 542, 1084, 2981, 5962, 6607, 11924, 13214, 26428, 72677, 145354, 290708, 1790497, 3580994, 7161988, 19695467, 39390934, 78781868]

約数ペア:

[(1, 78781868), (2, 39390934), (4, 19695467), (11, 7161988), (22, 3580994), (44, 1790497), (271, 290708), (542, 145354), (1084, 72677), (2981, 26428), (5962, 13214), (6607, 11924)]