128551112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7759}}^1$

素因数の和:7893

約数の個数: 32

約数和(自身を含む): 256080000

約数和(自身を除く): 127528888

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 7759, 8284, 15518, 16568, 31036, 62072, 147421, 294842, 589684, 845731, 1179368, 1691462, 3382924, 6765848, 16068889, 32137778, 64275556, 128551112]

約数ペア:

[(1, 128551112), (2, 64275556), (4, 32137778), (8, 16068889), (19, 6765848), (38, 3382924), (76, 1691462), (109, 1179368), (152, 845731), (218, 589684), (436, 294842), (872, 147421), (2071, 62072), (4142, 31036), (7759, 16568), (8284, 15518)]