398376882

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{13553}}^1$

素因数の和:13655

約数の個数: 48

約数和(自身を含む): 913431168

約数和(自身を除く): 515054286

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 1278, 1633, 3266, 4899, 9798, 13553, 14697, 27106, 29394, 40659, 81318, 121977, 243954, 311719, 623438, 935157, 962263, 1870314, 1924526, 2805471, 2886789, 5610942, 5773578, 8660367, 17320734, 22132049, 44264098, 66396147, 132792294, 199188441, 398376882]

約数ペア:

[(1, 398376882), (2, 199188441), (3, 132792294), (6, 66396147), (9, 44264098), (18, 22132049), (23, 17320734), (46, 8660367), (69, 5773578), (71, 5610942), (138, 2886789), (142, 2805471), (207, 1924526), (213, 1870314), (414, 962263), (426, 935157), (639, 623438), (1278, 311719), (1633, 243954), (3266, 121977), (4899, 81318), (9798, 40659), (13553, 29394), (14697, 27106)]