261720136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{2521}}^1$

素因数の和:3229

約数の個数: 32

約数和(自身を含む): 517514400

約数和(自身を除く): 255794264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 683, 1366, 2521, 2732, 5042, 5464, 10084, 12977, 20168, 25954, 47899, 51908, 95798, 103816, 191596, 383192, 1721843, 3443686, 6887372, 13774744, 32715017, 65430034, 130860068, 261720136]

約数ペア:

[(1, 261720136), (2, 130860068), (4, 65430034), (8, 32715017), (19, 13774744), (38, 6887372), (76, 3443686), (152, 1721843), (683, 383192), (1366, 191596), (2521, 103816), (2732, 95798), (5042, 51908), (5464, 47899), (10084, 25954), (12977, 20168)]