131008

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 28

約数和(自身を含む): 274320

約数和(自身を除く): 143312

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 178, 184, 356, 368, 712, 736, 1424, 1472, 2047, 2848, 4094, 5696, 8188, 16376, 32752, 65504, 131008]

約数ペア:

[(1, 131008), (2, 65504), (4, 32752), (8, 16376), (16, 8188), (23, 5696), (32, 4094), (46, 2848), (64, 2047), (89, 1472), (92, 1424), (178, 736), (184, 712), (356, 368)]