315080648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{23291}}^1$

素因数の和:23405

約数の個数: 32

約数和(自身を含む): 628884000

約数和(自身を除く): 313803352

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 13528, 23291, 46582, 93164, 186328, 442529, 885058, 1770116, 2072899, 3540232, 4145798, 8291596, 16583192, 39385081, 78770162, 157540324, 315080648]

約数ペア:

[(1, 315080648), (2, 157540324), (4, 78770162), (8, 39385081), (19, 16583192), (38, 8291596), (76, 4145798), (89, 3540232), (152, 2072899), (178, 1770116), (356, 885058), (712, 442529), (1691, 186328), (3382, 93164), (6764, 46582), (13528, 23291)]