138966424

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{673}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 266418720

約数和(自身を除く): 127452296

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 487, 673, 974, 1346, 1948, 2692, 3896, 5384, 25811, 35669, 51622, 71338, 103244, 142676, 206488, 285352, 327751, 655502, 1311004, 2622008, 17370803, 34741606, 69483212, 138966424]

約数ペア:

[(1, 138966424), (2, 69483212), (4, 34741606), (8, 17370803), (53, 2622008), (106, 1311004), (212, 655502), (424, 327751), (487, 285352), (673, 206488), (974, 142676), (1346, 103244), (1948, 71338), (2692, 51622), (3896, 35669), (5384, 25811)]