640530616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{99709}}^1$

素因数の和:99799

約数の個数: 32

約数和(自身を含む): 1328137200

約数和(自身を除く): 687606584

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 6424, 99709, 199418, 398836, 797672, 1096799, 2193598, 4387196, 7278757, 8774392, 14557514, 29115028, 58230056, 80066327, 160132654, 320265308, 640530616]

約数ペア:

[(1, 640530616), (2, 320265308), (4, 160132654), (8, 80066327), (11, 58230056), (22, 29115028), (44, 14557514), (73, 8774392), (88, 7278757), (146, 4387196), (292, 2193598), (584, 1096799), (803, 797672), (1606, 398836), (3212, 199418), (6424, 99709)]