381401384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523903}}^1$

素因数の和:523929

約数の個数: 32

約数和(自身を含む): 880158720

約数和(自身を除く): 498757336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 523903, 1047806, 2095612, 3667321, 4191224, 6810739, 7334642, 13621478, 14669284, 27242956, 29338568, 47675173, 54485912, 95350346, 190700692, 381401384]

約数ペア:

[(1, 381401384), (2, 190700692), (4, 95350346), (7, 54485912), (8, 47675173), (13, 29338568), (14, 27242956), (26, 14669284), (28, 13621478), (52, 7334642), (56, 6810739), (91, 4191224), (104, 3667321), (182, 2095612), (364, 1047806), (728, 523903)]