128012008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1723}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 247635360

約数和(自身を除く): 119623352

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 502, 1004, 1723, 2008, 3446, 6892, 9287, 13784, 18574, 37148, 63751, 74296, 127502, 255004, 432473, 510008, 864946, 1729892, 3459784, 16001501, 32003002, 64006004, 128012008]

約数ペア:

[(1, 128012008), (2, 64006004), (4, 32003002), (8, 16001501), (37, 3459784), (74, 1729892), (148, 864946), (251, 510008), (296, 432473), (502, 255004), (1004, 127502), (1723, 74296), (2008, 63751), (3446, 37148), (6892, 18574), (9287, 13784)]