128505104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88259}}^1$

素因数の和:88287

約数の個数: 40

約数和(自身を含む): 306438720

約数和(自身を除く): 177933616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 88259, 176518, 353036, 617813, 706072, 1147367, 1235626, 1412144, 2294734, 2471252, 4589468, 4942504, 8031569, 9178936, 9885008, 16063138, 18357872, 32126276, 64252552, 128505104]

約数ペア:

[(1, 128505104), (2, 64252552), (4, 32126276), (7, 18357872), (8, 16063138), (13, 9885008), (14, 9178936), (16, 8031569), (26, 4942504), (28, 4589468), (52, 2471252), (56, 2294734), (91, 1412144), (104, 1235626), (112, 1147367), (182, 706072), (208, 617813), (364, 353036), (728, 176518), (1456, 88259)]