720173416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{10993}}^1$

素因数の和:11449

約数の個数: 32

約数和(自身を含む): 1424822400

約数和(自身を除く): 704648984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 8189, 10993, 16378, 21986, 32756, 43972, 65512, 87944, 208867, 417734, 835468, 1670936, 4737983, 9475966, 18951932, 37903864, 90021677, 180043354, 360086708, 720173416]

約数ペア:

[(1, 720173416), (2, 360086708), (4, 180043354), (8, 90021677), (19, 37903864), (38, 18951932), (76, 9475966), (152, 4737983), (431, 1670936), (862, 835468), (1724, 417734), (3448, 208867), (8189, 87944), (10993, 65512), (16378, 43972), (21986, 32756)]