128580688

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{11941}}^1$

素因数の和:12622

約数の個数: 20

約数和(自身を含む): 249516148

約数和(自身を除く): 120935460

約数列:

[1, 2, 4, 8, 16, 673, 1346, 2692, 5384, 10768, 11941, 23882, 47764, 95528, 191056, 8036293, 16072586, 32145172, 64290344, 128580688]

約数ペア:

[(1, 128580688), (2, 64290344), (4, 32145172), (8, 16072586), (16, 8036293), (673, 191056), (1346, 95528), (2692, 47764), (5384, 23882), (10768, 11941)]