66712648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{438899}}^1$

素因数の和:438924

約数の個数: 16

約数和(自身を含む): 131670000

約数和(自身を除く): 64957352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 438899, 877798, 1755596, 3511192, 8339081, 16678162, 33356324, 66712648]

約数ペア:

[(1, 66712648), (2, 33356324), (4, 16678162), (8, 8339081), (19, 3511192), (38, 1755596), (76, 877798), (152, 438899)]