128384048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617231}}^1$

素因数の和:617252

約数の個数: 20

約数和(自身を含む): 267878688

約数和(自身を除く): 139494640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617231, 1234462, 2468924, 4937848, 8024003, 9875696, 16048006, 32096012, 64192024, 128384048]

約数ペア:

[(1, 128384048), (2, 64192024), (4, 32096012), (8, 16048006), (13, 9875696), (16, 8024003), (26, 4937848), (52, 2468924), (104, 1234462), (208, 617231)]