128458878

素因数分解:

$2^1\times 3^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 259814400

約数和(自身を除く): 131355522

約数列:

[1, 2, 3, 6, 199, 271, 397, 398, 542, 597, 794, 813, 1191, 1194, 1626, 2382, 53929, 79003, 107587, 107858, 158006, 161787, 215174, 237009, 322761, 323574, 474018, 645522, 21409813, 42819626, 64229439, 128458878]

約数ペア:

[(1, 128458878), (2, 64229439), (3, 42819626), (6, 21409813), (199, 645522), (271, 474018), (397, 323574), (398, 322761), (542, 237009), (597, 215174), (794, 161787), (813, 158006), (1191, 107858), (1194, 107587), (1626, 79003), (2382, 53929)]