138487984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{509147}}^1$

素因数の和:509172

約数の個数: 20

約数和(自身を含む): 284104584

約数和(自身を除く): 145616600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 509147, 1018294, 2036588, 4073176, 8146352, 8655499, 17310998, 34621996, 69243992, 138487984]

約数ペア:

[(1, 138487984), (2, 69243992), (4, 34621996), (8, 17310998), (16, 8655499), (17, 8146352), (34, 4073176), (68, 2036588), (136, 1018294), (272, 509147)]