128374856

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 243613440

約数和(自身を除く): 115238584

約数列:

[1, 2, 4, 8, 223, 227, 317, 446, 454, 634, 892, 908, 1268, 1784, 1816, 2536, 50621, 70691, 71959, 101242, 141382, 143918, 202484, 282764, 287836, 404968, 565528, 575672, 16046857, 32093714, 64187428, 128374856]

約数ペア:

[(1, 128374856), (2, 64187428), (4, 32093714), (8, 16046857), (223, 575672), (227, 565528), (317, 404968), (446, 287836), (454, 282764), (634, 202484), (892, 143918), (908, 141382), (1268, 101242), (1784, 71959), (1816, 70691), (2536, 50621)]